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Home / / Alarm system refurbished & used for sale | For Sale USA
Pcs wireless home - wireless, window

Pcs wireless home - wireless, window

$13.95
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Alpine 8070l alarm - alpine, system

Alpine 8070l alarm - alpine, system

$180.00
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Wifi cloud app - cloud, gsm

Wifi cloud app - cloud, gsm

$89.99
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Electronic barking dog alarm - electronic,

Electronic barking dog alarm - electronic,

$49.99
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Simplisafe piece wireless - simplisafe,

Simplisafe piece wireless - simplisafe,

$49.99
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Pcs wireless home window - pcs,

Pcs wireless home window - pcs,

$11.49
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Wireless driveway alarm - wireless,

Wireless driveway alarm - wireless,

$15.89
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Wireless home window door - wireless,

Wireless home window door - wireless,

$3.89
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6pcs wireless home - wireless, window

6pcs wireless home - wireless, window

$11.79
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Never used ring keypad - never-used-,

Never used ring keypad - never-used-,

$23.89
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Ring alarm range extender - ring, (2nd

Ring alarm range extender - ring, (2nd

$14.99
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Solar power alarm - solar, 2pack

Solar power alarm - solar, 2pack

$12.86
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Viper 3100v way security - viper,

Viper 3100v way security - viper,

$59.91
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Wuloo 1800feet solar - 1800feet, powered

Wuloo 1800feet solar - 1800feet, powered

$115.84
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110db loud wireless - loud, kit

110db loud wireless - loud, kit

$39.99
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Ring alarm home security kit - home,

Ring alarm home security kit - home,

$129.00
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Wifi home security alarm - security,

Wifi home security alarm - security,

$24.30
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Grsico wireless home - wireless, alarm

Grsico wireless home - wireless, alarm

$59.99
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Wireless driveway alarm - wireless,

Wireless driveway alarm - wireless,

$15.89
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Wifi wireless alarm system for - wifi,

Wifi wireless alarm system for - wifi,

$199.12
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Wireless home window door - wireless,

Wireless home window door - wireless,

$5.89
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Pcs wireless home window - pcs,

Pcs wireless home window - pcs,

$11.49
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Easyguard way car alarm - easyguard,

Easyguard way car alarm - easyguard,

$89.90
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Home security wireless - security,

Home security wireless - security,

$35.99
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2026 home security system - 2026,

2026 home security system - 2026,

$44.11
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Pcs wireless home window - pcs,

Pcs wireless home window - pcs,

$13.79
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Easyguard way car alarm - 2,

Easyguard way car alarm - 2,

$89.85
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Wireless window door alarm - wireless, &

Wireless window door alarm - wireless, &

$95.99
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Easyguard way car - easyguard,

Easyguard way car - easyguard,

$89.99
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Wireless security burglar - security,

Wireless security burglar - security,

$37.99
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Wireless ring alarm piece - wireless,

Wireless ring alarm piece - wireless,

$89.99
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Easyguard way car alarm with - easyguard,

Easyguard way car alarm with - easyguard,

$84.99
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Kerui wireless alarm - kerui,

Kerui wireless alarm - kerui,

$74.99
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Ring alarm base station - station, z

Ring alarm base station - station, z

$43.07
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Compustar cs932a way - compustar,

Compustar cs932a way - compustar,

$48.95
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Car remote keyless entry - keyless,

Car remote keyless entry - keyless,

$28.05
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Solar powered car - powered, alarm

Solar powered car - powered, alarm

$20.29
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Tuya wireless alarm - tuya,

Tuya wireless alarm - tuya,

$49.95
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Tuya wifi app gsm - gsm, wireless

Tuya wifi app gsm - gsm, wireless

$69.99
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Swann security box diy - swann,

Swann security box diy - swann,

$100.00
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Viper 5305v remote start pager - 5305v,

Viper 5305v remote start pager - 5305v,

$169.99
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Prestige aps25z one - prestige,

Prestige aps25z one - prestige,

$59.00
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Universal car alarm system - universal,

Universal car alarm system - universal,

$22.96
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Viper alarm system remotes - viper,

Viper alarm system remotes - viper,

$28.99
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Wireless driveway alarm - wireless,

Wireless driveway alarm - wireless,

$22.99
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Rfid wifi wireless smart home - smart,

Rfid wifi wireless smart home - smart,

$29.00
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Tuya smart home security alarm - smart,

Tuya smart home security alarm - smart,

$64.99
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Kerui wireless home - wireless,

Kerui wireless home - wireless,

$38.94
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Defiant smart home - defiant,

Defiant smart home - defiant,

$29.95
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Security door stop alarm - security,

Security door stop alarm - security,

$13.99
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Glass break sensor - glass,

Glass break sensor - glass,

$119.99
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Kerui wireless home security - home,

Kerui wireless home security - home,

$36.52
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Car alarm system with - car,

Car alarm system with - car,

$19.95
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2pcs wireless door window - 2pcs,

2pcs wireless door window - 2pcs,

$9.98
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New sealed ring alarm - ring,

New sealed ring alarm - ring,

$128.00
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Wireless home security - wireless,

Wireless home security - wireless,

$124.88
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Ring keypad wave for - ring,

Ring keypad wave for - ring,

$30.00
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10x wireless home - home, window

10x wireless home - home, window

$14.95
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Portable alarm system - portable,

Portable alarm system - portable,

$15.85
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Smart home alarm system - smart, system,smart

Smart home alarm system - smart, system,smart

$31.87
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Loudly speaker alarm - loudly, system

Loudly speaker alarm - loudly, system

$25.89
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Wireless driveway alarm - driveway,

Wireless driveway alarm - driveway,

$16.10
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4pcs 433mhz wireless - 4pcs, pir

4pcs 433mhz wireless - 4pcs, pir

$39.99
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Wifi home security alarm - home,

Wifi home security alarm - home,

$27.63
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Avital 3103lx 3100lx keyless - 3100lx,

Avital 3103lx 3100lx keyless - 3100lx,

$47.90
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Driveway alarm 1byone home - alarm,,

Driveway alarm 1byone home - alarm,,

$33.93
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Security sensors outdoor - security, sensors/outdoor

Security sensors outdoor - security, sensors/outdoor

$129.99
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Ring alarm wireless home - ring,

Ring alarm wireless home - ring,

$89.99
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Pcs wireless home window - 10,

Pcs wireless home window - 10,

$14.99
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Defiant smart home - defiant,

Defiant smart home - defiant,

$20.00
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10x home safety burglar - 10x,

10x home safety burglar - 10x,

$18.99
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Kerui home office shop - kerui,

Kerui home office shop - kerui,

$35.99
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Home safety burglar alarm - home,

Home safety burglar alarm - home,

$13.19
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Pool patrol floating - pool,

Pool patrol floating - pool,

$129.95
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2026 home security system - security,

2026 home security system - security,

$47.40
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Avital 3100l keyless entry - keyless,

Avital 3100l keyless entry - keyless,

$55.00
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Wireless home window - home, door

Wireless home window - home, door

$32.43
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Htzsafe owl home security - owl,

Htzsafe owl home security - owl,

$62.99
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Wireless door chime alarm - door,

Wireless door chime alarm - door,

$20.51
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10x home safety - 10x,

10x home safety - 10x,

$20.11
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Wifi gsm alarm - system, with

Wifi gsm alarm - system, with

$193.59
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Viper responder 350 model - viper,

Viper responder 350 model - viper,

$159.99
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Pcs wireless home window - 6,

Pcs wireless home window - 6,

$11.89
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12v car security system - car,

12v car security system - car,

$29.82
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New audiovox prestige - new, aps997z

New audiovox prestige - new, aps997z

$114.00
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H2c8 waterproof 656ft wireless - waterproof,

H2c8 waterproof 656ft wireless - waterproof,

$20.26
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12v universal car alarm - 12v,

12v universal car alarm - 12v,

$21.57
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New car alarm system with - new,

New car alarm system with - new,

$45.89
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Universal car alarm - universal, system

Universal car alarm - universal, system

$21.55
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Car keyless entry - car, alarm

Car keyless entry - car, alarm

$31.58
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Wireless home window door - home,

Wireless home window door - home,

$75.99
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New ring alarm piece - new, kit

New ring alarm piece - new, kit

$94.99
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Solar motion sensor alarm - solar,

Solar motion sensor alarm - solar,

$17.50
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10x wireless home window door - 10x,

10x wireless home window door - 10x,

$12.95
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Wuloo 1800feet long range - wuloo,

Wuloo 1800feet long range - wuloo,

$78.11
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Wolf guard inch - wolf-guard, touch

Wolf guard inch - wolf-guard, touch

$145.00
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Looking for more alarm system?

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📊96 listings · from $3.89 · avg $54.36

Browse 96 alarm system listings currently in our index. Prices range from $3.89 to $199.12, with an average of $54.36. Whether you are hunting for a bargain or looking for a top-spec model, the selection below covers all price points — new, used and refurbished. More about alarm system →

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Everything you need to know about alarm system

Whether you are looking for a brand-new or second-hand alarm system, eBay offers one of the largest selections available online. With 96 active listings at the time of this page's last update, you have plenty of choice across different conditions, sellers and price points. The cheapest option currently starts at $3.89, while premium listings can reach $199.12 — giving you a wide budget spread to work with. The average price of $54.36 can serve as a useful benchmark: listings below this tend to be used or auction-style, while those above often include extra accessories, warranties, or are sold by professional sellers with high feedback scores. Always check the seller's feedback rating and return policy before committing to a purchase. If you need the item quickly, filter by "Buy It Now" to avoid the uncertainty of auctions. For used items, look closely at the condition description and photos — terms like "good", "very good" and "like new" can mean very different things depending on the seller.

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