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Home / / Alarm system refurbished & used for sale | For Sale USA
Simplisafe piece wireless - 6,

Simplisafe piece wireless - 6,

$49.99
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Ring gen complete system - gen,

Ring gen complete system - gen,

$179.99
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Alpine 8070l alarm - 8070l,

Alpine 8070l alarm - 8070l,

$180.00
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Smart life wifi - life, security

Smart life wifi - life, security

$37.99
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Wireless home window - window, door

Wireless home window - window, door

$5.89
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Tuya wireless wifi gsm home - wireless,

Tuya wireless wifi gsm home - wireless,

$99.99
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Pcs wireless home - pcs,

Pcs wireless home - pcs,

$11.49
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New ring alarm piece kit - *,

New ring alarm piece kit - *,

$94.99
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Cordless driveway alarm - cordless,

Cordless driveway alarm - cordless,

$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 - driveway,

Cordless driveway alarm - driveway,

$14.88
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Wireless motion sensor system - sensor,

Wireless motion sensor system - sensor,

$14.48
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Car remote keyless - car,

Car remote keyless - car,

$28.05
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Barking watch dog - watch,

Barking watch dog - watch,

$94.35
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Fortress home security store - home,

Fortress home security store - home,

$59.99
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Defiant smart home - smart, alarm

Defiant smart home - smart, alarm

$23.99
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Universal car alarm - alarm, system

Universal car alarm - alarm, system

$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 - loudly,

Loudly speaker alarm - loudly,

$25.89
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Kerui wireless home shop alarm - kerui,

Kerui wireless home shop alarm - kerui,

$38.94
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Vintage security bear - vintage, car

Vintage security bear - vintage, car

$19.99
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Wifi home security alarm - wifi,

Wifi home security alarm - wifi,

$24.55
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Eufy home alarm - system, motion

Eufy home alarm - system, motion

$24.00
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10x home safety burglar alarm - home,

10x home safety burglar alarm - home,

$18.99
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Tuya wireless wifi gsm smart - tuya,

Tuya wireless wifi gsm smart - tuya,

$99.99
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Kerui wireless alarm - kerui,

Kerui wireless alarm - 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 - way,

Easyguard way car alarm - way,

$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 with - car,

Wireless car alarm system with - car,

$78.99
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Grsico wireless home alarm - grsico,

Grsico wireless home alarm - grsico,

$32.99
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Grsico piece smart home - smart,

Grsico piece smart home - smart,

$26.99
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Wireless driveway alarm - wireless,

Wireless driveway alarm - wireless,

$36.98
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2pcs wireless door - door, window

2pcs wireless door - door, window

$9.77
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12v universal car alarm - 12v,

12v universal car alarm - 12v,

$21.87
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Wireless car alarm system with - alarm,

Wireless car alarm system with - alarm,

$39.90
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120db wireless smart - smart, kit

120db wireless smart - smart, kit

$37.98
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Tolviviov home alarm - tolviviov, 12

Tolviviov home alarm - tolviviov, 12

$36.00
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App controlled wifi 110db - controlled,

App controlled wifi 110db - controlled,

$34.99
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Car alarm system security - alarm,

Car alarm system security - alarm,

$32.93
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Kerui wireless home security - home,

Kerui wireless home security - home,

$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 - 1,

Set wireless motion sensor - 1,

$14.75
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Driveway alarm 1byone - alarm,,

Driveway alarm 1byone - alarm,,

$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 - 3,

Door alarm system settings - 3,

$13.33
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Car solar power alarm - car,

Car solar power alarm - car,

$15.05
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Ring alarm wireless security - alarm,

Ring alarm wireless security - alarm,

$143.10
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10x wireless home window - window, door

10x wireless home window - window, door

$14.95
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Car alarm system with - car,

Car alarm system with - car,

$46.78
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Universal car alarm system - universal,

Universal car alarm system - universal,

$22.83
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New sealed mighty - sealed,

New sealed mighty - sealed,

$59.99
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Easyguard way pke - easyguard, 2

Easyguard way pke - easyguard, 2

$89.90
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120db loud wifi alarm system - wifi,

120db loud wifi alarm system - wifi,

$31.99
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Google nest secure - google, alarm

Google nest secure - google, alarm

$50.00
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Tuya wifi gsm sms - wifi+4g, wireless

Tuya wifi gsm sms - wifi+4g, wireless

$109.99
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Tolviviov home alarm - tolviviov,

Tolviviov home alarm - tolviviov,

$35.00
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New scytek car alarm - new,

New scytek car alarm - new,

$43.99
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Wireless home security system - security,

Wireless home security system - security,

$87.59
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Easyguard way car alarm - easyguard,

Easyguard way car alarm - easyguard,

$79.90
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Tuya wireless alarm - tuya,

Tuya wireless alarm - tuya,

$49.95
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Mighty mule wireless driveway - mule,

Mighty mule wireless driveway - mule,

$60.99
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Viper 3100v keyless - viper, entry

Viper 3100v keyless - viper, entry

$99.99
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Car alarm system with motion - alarm,

Car alarm system with motion - alarm,

$63.98
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Defiant smart home alarm - defiant,

Defiant smart home alarm - defiant,

$20.00
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Htzsafe owl home security - owl,

Htzsafe owl home security - owl,

$52.99
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Wireless home window - wireless, door

Wireless home window - wireless, door

$32.39
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Htzsafe mile solar - mile,

Htzsafe mile solar - mile,

$59.99
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Avital 3103lx 3100lx keyless - 3103lx,

Avital 3103lx 3100lx keyless - 3103lx,

$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 - wireless,

Wireless security camera - wireless,

$119.99
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Smart tuya app - smart,

Smart tuya app - smart,

$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 - home,

Home security system - home,

$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 - smart,

Smart alarm kit wifi - smart,

$19.99
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Solar driveway alarm wireless - solar,

Solar driveway alarm wireless - solar,

$56.80
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Wifi security alarm - alarm, system

Wifi security alarm - alarm, system

$55.09
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Easyguard way car - 2,

Easyguard way car - 2,

$89.85
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Keyless entry engine start - entry,

Keyless entry engine start - entry,

$48.99
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Prestige aps25z one - prestige, one-way

Prestige aps25z one - prestige, one-way

$59.00
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Google nest secure h1500es - nest,

Google nest secure h1500es - nest,

$19.99
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Wireless home security system - wireless,

Wireless home security system - wireless,

$277.72
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Car alarm security system - car,

Car alarm security system - car,

$22.90
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Home and commercial - commercial, burglar

Home and commercial - commercial, burglar

$32.30
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Tuya smart wifi - tuya, gsm

Tuya smart wifi - tuya, gsm

$7.00
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Car alarm system - car,

Car alarm system - car,

$57.49
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Ring alarm base station - alarm,

Ring alarm base station - alarm,

$47.86
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Htzsafe mile solar - htzsafe,

Htzsafe mile solar - htzsafe,

$79.99
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Kerui wifi home security alarm - home,

Kerui wifi home security alarm - home,

$24.93
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5pcs wireless home window door - window,

5pcs wireless home window door - window,

$14.54
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Tuya wifi wireless - tuya, kits

Tuya wifi wireless - tuya, kits

$128.99
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1byone driveway alarm home - driveway,

1byone driveway alarm home - driveway,

$40.00
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Vintage 1983 fortress home - vintage,

Vintage 1983 fortress home - vintage,

$34.95
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📊96 listings · from $3.89 · avg $51.35

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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