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Home / / Alarm system refurbished & used for sale | For Sale USA
Pcs wireless home window - 10,

Pcs wireless home window - 10,

$13.95
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Alpine 8070l alarm - alpine,

Alpine 8070l alarm - alpine,

$180.00
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Wifi cloud app gsm - wifi,

Wifi cloud app gsm - wifi,

$89.99
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Electronic barking dog alarm - barking,

Electronic barking dog alarm - barking,

$49.99
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Simplisafe piece wireless - piece,

Simplisafe piece wireless - piece,

$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 - home, door

Wireless home window - home, door

$3.89
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6pcs wireless home window - wireless,

6pcs wireless home window - wireless,

$11.79
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Never used ring keypad - keypad, 2nd

Never used ring keypad - keypad, 2nd

$23.89
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Ring alarm range - alarm, extender

Ring alarm range - alarm, extender

$14.99
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Solar power alarm - power, 2pack

Solar power alarm - power, 2pack

$12.86
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Viper 3100v way - 1-way, security

Viper 3100v way - 1-way, security

$59.91
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Wuloo 1800feet solar powered - wuloo,

Wuloo 1800feet solar powered - wuloo,

$115.84
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110db loud wireless - loud,

110db loud wireless - loud,

$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 - home,

Wifi home security alarm - home,

$24.30
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Grsico wireless home alarm - home,

Grsico wireless home alarm - home,

$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 - wireless,

Wifi wireless alarm system for - wireless,

$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 - 6,

Pcs wireless home window - 6,

$11.49
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Easyguard way car - easyguard, 2

Easyguard way car - easyguard, 2

$89.90
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Home security wireless - home,

Home security wireless - home,

$35.99
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2026 home security - 2026,

2026 home security - 2026,

$44.11
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Pcs wireless home - 10, window

Pcs wireless home - 10, window

$13.79
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Easyguard way car alarm - way,

Easyguard way car alarm - way,

$89.85
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Wireless window door - door, alarm

Wireless window door - door, alarm

$95.99
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Easyguard way car alarm - car,

Easyguard way car alarm - car,

$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, 5-piece

Wireless ring alarm piece - wireless, 5-piece

$89.99
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Easyguard way car alarm with - 2,

Easyguard way car alarm with - 2,

$84.99
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Kerui wireless alarm system - kerui,

Kerui wireless alarm system - kerui,

$74.99
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Ring alarm base - station, z

Ring alarm base - station, z

$43.07
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Compustar cs932a way car - compustar,

Compustar cs932a way car - 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 alarm - solar,

Solar powered car alarm - solar,

$20.29
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Tuya wireless alarm - tuya,

Tuya wireless alarm - tuya,

$49.95
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Tuya wifi app - app, gsm

Tuya wifi app - app, gsm

$69.99
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Swann security box - swann,

Swann security box - swann,

$100.00
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Viper 5305v remote start pager - remote,

Viper 5305v remote start pager - remote,

$169.99
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Prestige aps25z one way - aps25z, one-way

Prestige aps25z one way - aps25z, one-way

$59.00
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Universal car alarm system - car,

Universal car alarm system - car,

$22.96
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Viper alarm system remotes - system,, no

Viper alarm system remotes - system,, no

$28.99
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Wireless driveway alarm - driveway,

Wireless driveway alarm - driveway,

$22.99
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Rfid wifi wireless smart - rfid,

Rfid wifi wireless smart - rfid,

$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 shop alarm - wireless,

Kerui wireless home shop alarm - wireless,

$38.94
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Defiant smart home alarm - defiant,

Defiant smart home alarm - defiant,

$29.95
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Security door stop - security,

Security door stop - security,

$13.99
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Glass break sensor - break, 25ft

Glass break sensor - break, 25ft

$119.99
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Kerui wireless home security - wireless,

Kerui wireless home security - wireless,

$36.52
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Car alarm system with - system,

Car alarm system with - system,

$19.95
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2pcs wireless door - wireless,

2pcs wireless door - wireless,

$9.98
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New sealed ring - 🔴new, alarm

New sealed ring - 🔴new, alarm

$128.00
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Wireless home security alarm - home,

Wireless home security alarm - home,

$124.88
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Ring keypad wave for - z-wave,

Ring keypad wave for - z-wave,

$30.00
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10x wireless home - 10x, door

10x wireless home - 10x, door

$14.95
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Portable alarm system with - alarm, pir

Portable alarm system with - alarm, pir

$15.85
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Smart home alarm system - home,

Smart home alarm system - home,

$31.87
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Loudly speaker alarm - speaker, system

Loudly speaker alarm - speaker, system

$25.89
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Wireless driveway alarm - wireless,

Wireless driveway alarm - wireless,

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

4pcs 433mhz wireless pir - 4pcs,

$39.99
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Wifi home security alarm - security,

Wifi home security alarm - security,

$27.63
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Avital 3103lx 3100lx keyless - avital,

Avital 3103lx 3100lx keyless - avital,

$47.90
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Driveway alarm 1byone - alarm,,

Driveway alarm 1byone - 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 - home, alarm

Defiant smart home - home, alarm

$20.00
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10x home safety - burglar, alarm

10x home safety - burglar, alarm

$18.99
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Kerui home office - office, &shop

Kerui home office - office, &shop

$35.99
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Home safety burglar alarm - burglar,

Home safety burglar alarm - burglar,

$13.19
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Pool patrol floating - pool,

Pool patrol floating - pool,

$129.95
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2026 home security system - 2026,

2026 home security system - 2026,

$47.40
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Avital 3100l keyless entry - avital,

Avital 3100l keyless entry - avital,

$55.00
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Wireless home window door - home,

Wireless home window door - home,

$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 - door,

Wireless door chime - door,

$20.51
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10x home safety burglar alarm - 10x,

10x home safety burglar alarm - 10x,

$20.11
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Wifi gsm alarm system - wifi,

Wifi gsm alarm system - wifi,

$193.59
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Viper responder 350 model - 350, (model

Viper responder 350 model - 350, (model

$159.99
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Pcs wireless home - pcs, window

Pcs wireless home - pcs, window

$11.89
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12v car security system horn - security,

12v car security system horn - security,

$29.82
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New audiovox prestige aps997z - new,

New audiovox prestige aps997z - new,

$114.00
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H2c8 waterproof 656ft - 656ft, wireless

H2c8 waterproof 656ft - 656ft, wireless

$20.26
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12v universal car alarm - universal,

12v universal car alarm - universal,

$21.57
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New car alarm - system, 2

New car alarm - system, 2

$45.89
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Universal car alarm system - universal,

Universal car alarm system - universal,

$21.55
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Car keyless entry alarm - car,

Car keyless entry alarm - car,

$31.58
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Wireless home window door - window,

Wireless home window door - window,

$75.99
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New ring alarm - new,

New ring alarm - new,

$94.99
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Solar motion sensor alarm - motion,

Solar motion sensor alarm - motion,

$17.50
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10x wireless home - window, door

10x wireless home - window, door

$12.95
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Wuloo 1800feet long - 1800feet, range

Wuloo 1800feet long - 1800feet, range

$78.11
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Wolf guard inch touch screen - wolf-guard,

Wolf guard inch touch screen - wolf-guard,

$145.00
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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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