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Home / / Alarm system refurbished & used for sale | For Sale USA
Simplisafe piece wireless - piece,

Simplisafe piece wireless - piece,

$49.99
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Ring gen complete - gen, 2

Ring gen complete - gen, 2

$179.99
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Alpine 8070l alarm - 8070l, system

Alpine 8070l alarm - 8070l, system

$180.00
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Smart life wifi - smart,

Smart life wifi - smart,

$37.99
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Wireless home window - wireless,

Wireless home window - wireless,

$5.89
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Tuya wireless wifi gsm - wifi,

Tuya wireless wifi gsm - wifi,

$99.99
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Pcs wireless home - wireless,

Pcs wireless home - wireless,

$11.49
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New ring alarm piece - piece, kit

New ring alarm piece - piece, kit

$94.99
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Cordless driveway alarm - driveway,

Cordless driveway alarm - driveway,

$15.89
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Keyless entry car alarm - keyless,

Keyless entry car alarm - keyless,

$26.99
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Cordless driveway alarm - cordless,

Cordless driveway alarm - cordless,

$14.88
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Wireless motion sensor system - motion,

Wireless motion sensor system - motion,

$14.48
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Car remote keyless entry - car,

Car remote keyless entry - car,

$28.05
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Barking watch dog electronic - watch,

Barking watch dog electronic - watch,

$94.35
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Fortress home security - fortress, store

Fortress home security - fortress, store

$59.99
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Defiant smart home alarm - home,

Defiant smart home alarm - home,

$23.99
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Universal car alarm - universal,

Universal car alarm - universal,

$22.83
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Pcs home window door - 10,

Pcs home window door - 10,

$13.95
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Loudly speaker alarm - alarm, system

Loudly speaker alarm - alarm, system

$25.89
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Kerui wireless home shop alarm - shop,

Kerui wireless home shop alarm - shop,

$38.94
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Vintage security bear - security, car

Vintage security bear - security, car

$19.99
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Wifi home security - security, alarm

Wifi home security - security, alarm

$24.55
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Eufy home alarm system motion - eufy,

Eufy home alarm system motion - eufy,

$24.00
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10x home safety burglar - safety,

10x home safety burglar - safety,

$18.99
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Tuya wireless wifi - wifi, gsm

Tuya wireless wifi - wifi, gsm

$99.99
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Kerui wireless alarm system - kerui,

Kerui wireless alarm system - kerui,

$35.99
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Security door stop - security,

Security door stop - security,

$14.99
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Easyguard way car alarm - easyguard,

Easyguard way car alarm - easyguard,

$89.90
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Avital 3103lx channel - 3103lx, car

Avital 3103lx channel - 3103lx, car

$49.99
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Prestige aps787z remote start - prestige,

Prestige aps787z remote start - prestige,

$85.00
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Car alarm system security - car,

Car alarm system security - car,

$62.99
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Wireless car alarm system - system, with

Wireless car alarm system - system, with

$78.99
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Grsico wireless home alarm - wireless,

Grsico wireless home alarm - wireless,

$32.99
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Grsico piece smart home - grsico, 9-piece

Grsico piece smart home - grsico, 9-piece

$26.99
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Wireless driveway alarm - driveway,

Wireless driveway alarm - driveway,

$36.98
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2pcs wireless door - 2pcs,

2pcs wireless door - 2pcs,

$9.77
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12v universal car - 12v,

12v universal car - 12v,

$21.87
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Wireless car alarm system - wireless,

Wireless car alarm system - wireless,

$39.90
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120db wireless smart alarm - 120db,

120db wireless smart alarm - 120db,

$37.98
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Tolviviov home alarm system - tolviviov,

Tolviviov home alarm system - tolviviov,

$36.00
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App controlled wifi - app, 110db

App controlled wifi - app, 110db

$34.99
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Car alarm system security - car,

Car alarm system security - car,

$32.93
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Kerui wireless home security - kerui,

Kerui wireless home security - kerui,

$11.27
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Wireless home window door - wireless,

Wireless home window door - wireless,

$3.89
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Set wireless motion sensor - wireless,

Set wireless motion sensor - wireless,

$14.75
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Driveway alarm 1byone home - driveway,

Driveway alarm 1byone home - driveway,

$33.92
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Mopar evs security alarm - evs,

Mopar evs security alarm - evs,

$119.00
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Door alarm system settings - system,

Door alarm system settings - system,

$13.33
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Car solar power alarm - solar,

Car solar power alarm - solar,

$15.05
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Ring alarm wireless security - ring,

Ring alarm wireless security - ring,

$143.10
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10x wireless home window door - window,

10x wireless home window door - window,

$14.95
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Car alarm system - alarm, remote

Car alarm system - alarm, remote

$46.78
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Universal car alarm - universal,

Universal car alarm - universal,

$22.83
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New sealed mighty - new,

New sealed mighty - new,

$59.99
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Easyguard way pke - way, car

Easyguard way pke - way, car

$89.90
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120db loud wifi - alarm, system

120db loud wifi - alarm, system

$31.99
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Google nest secure alarm - google,

Google nest secure alarm - google,

$50.00
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Tuya wifi gsm - sms, wireless

Tuya wifi gsm - sms, wireless

$109.99
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Tolviviov home alarm system - tolviviov,

Tolviviov home alarm system - tolviviov,

$35.00
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New scytek car alarm system - scytek,

New scytek car alarm system - scytek,

$43.99
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Wireless home security - home,

Wireless home security - home,

$87.59
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Easyguard way car alarm - 2,

Easyguard way car alarm - 2,

$79.90
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Tuya wireless alarm - tuya,

Tuya wireless alarm - tuya,

$49.95
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Mighty mule wireless - mighty,

Mighty mule wireless - mighty,

$60.99
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Viper 3100v keyless - viper, car

Viper 3100v keyless - viper, car

$99.99
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Car alarm system with motion - with,

Car alarm system with motion - with,

$63.98
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Defiant smart home - smart, alarm

Defiant smart home - smart, alarm

$20.00
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Htzsafe owl home - home, security

Htzsafe owl home - home, security

$52.99
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Wireless home window - window, door

Wireless home window - window, door

$32.39
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Htzsafe mile solar - htzsafe, 1/2

Htzsafe mile solar - htzsafe, 1/2

$59.99
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Avital 3103lx 3100lx keyless - avital,

Avital 3103lx 3100lx keyless - avital,

$47.90
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Outdoor infrared beam sensor - beam,

Outdoor infrared beam sensor - beam,

$10.93
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Wireless security camera - security,

Wireless security camera - security,

$119.99
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Smart tuya app wifi cloud - app,

Smart tuya app wifi cloud - app,

$99.99
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Keyless entry car alarm system - keyless,

Keyless entry car alarm system - keyless,

$18.80
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Home security system - system, 8

Home security system - system, 8

$65.24
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Wireless home security alarm - security,

Wireless home security alarm - security,

$25.00
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Smart alarm kit wifi - alarm,

Smart alarm kit wifi - alarm,

$19.99
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Solar driveway alarm - solar, wireless

Solar driveway alarm - solar, wireless

$56.80
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Wifi security alarm system - wifi,

Wifi security alarm system - wifi,

$55.09
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Easyguard way car alarm - car,

Easyguard way car alarm - car,

$89.85
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Keyless entry engine start - engine,

Keyless entry engine start - engine,

$48.99
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Prestige aps25z one way - prestige, one-way

Prestige aps25z one way - prestige, one-way

$59.00
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Google nest secure - nest,

Google nest secure - nest,

$19.99
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Wireless home security - home, system

Wireless home security - home, system

$277.72
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Car alarm security - car, system

Car alarm security - car, system

$22.90
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Home and commercial - home,

Home and commercial - home,

$32.30
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Tuya smart wifi gsm wireless - tuya,

Tuya smart wifi gsm wireless - tuya,

$7.00
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Car alarm system with - alarm,

Car alarm system with - alarm,

$57.49
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Ring alarm base - ring, z

Ring alarm base - ring, z

$47.86
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Htzsafe mile solar - ,

Htzsafe mile solar - ,

$79.99
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Kerui wifi home - home, security

Kerui wifi home - home, security

$24.93
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5pcs wireless home window - 5pcs,

5pcs wireless home window - 5pcs,

$14.54
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Tuya wifi wireless kits - wireless,

Tuya wifi wireless kits - wireless,

$128.99
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1byone driveway alarm - driveway, home

1byone driveway alarm - driveway, home

$40.00
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Vintage 1983 fortress home - vintage,

Vintage 1983 fortress home - vintage,

$34.95
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Looking for more alarm system?

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📊96 listings · from $3.89 · avg $51.35
⚠️ These listings were last updated more than 11 days ago. Search for fresh listings

Browse 96 alarm system listings currently in our index. Prices range from $3.89 to $277.72, with an average of $51.35. 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 $277.72 — giving you a wide budget spread to work with. The average price of $51.35 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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