Home Security
home security โ pre-owned
Browse 10,661 home security โ pre-owned on eBay โ listings updated every few minutes. All items are pre-owned and sold by eBay sellers directly.

Google Nest Protect 2nd Gen S3000BWES - Expires 2029-2033 - UNIT ONLY No Bracket
Google Nest Protect 2nd Generation (S3000BWES). MPN: S3000BWES. 1x Google Nest Protect 2nd Gen Unit (Selected Year). Model: Protect 2nd Gen (Battery Version). No mounting bracket, backplate, or screws included.

M&S Linear MC902 Intercom Master Ivory Pre Owned but working
The M&S Linear MC902 Intercom Master is a pre-owned audio intercom system in ivory color. Manufactured by Linear, this model offers secure communication within your home or garden. Perfect for improving home security and convenience, this intercom provides a reliable way to communicate with visitors or loved ones while ensuring their safety. Upgrade your home entry system with this functional and efficient Linear intercom master. NOS

2N Helios IP Force IP69K Intercom 4 Buttons HD Camera 10W Speaker
The 2N Helios IP Force IP69K Intercom is a high-quality video doorbell designed for outdoor use. With its 4 buttons and HD camera, this intercom provides reliable security for your home. It features remote/cloud configuration, web interface, and mobile app support for easy management. The PoE connectivity and IP69K standards ensure efficient power supply and robust performance in various weather conditions. Made in the Czech Republic, this intercom is a top choice for home improvement and home security in outdoor locations.

Brinks Home Security Fire Resistant Lock Box w/2 Keys Black 12.75" x 8.25" x 4"
We are not experts but will try to describe the item with all the information that we have.

Nest Protect 2nd Gen 06C Smoke & Carbon Monoxide Alarm, Wired, expires 2028
๐ Expiration Date: 2028. This is aGoogle Nest Protect (2nd Generation) Smoke & Carbon Monoxide Alarm. The unit has been fully tested and is in 100% working condition. Nest Protect Unit (Main Body).
You save $14.96

SimpliSafe 6 Piece Wireless Home Security System - White
Ready to protect, right out the box. Easy to install on every type of door or window. Deter intruders. We include a Yard Sign free with your system. Batteries, Security Decals, Yard Sign, and 3 ft. Stake.
You save $235.00

Google Nest Protect CO & Smoke Detector Alarm - 2nd Gen - WIRED - NOT EXPIRED
Used Google Nest Smoke and Carbon Monoxide (CO) detector alarm in EXCELLENT CONDITION. Original box, mounting plate, and wire are included. This is the 2nd Generation WIRED version.
You save $15.00

Google Nest Protect CO & Smoke Detector Alarm - 2nd Gen - WIRED - EXPIRES 9/2028
Used Google Nest Smoke and Carbon Monoxide (CO) detector alarm in EXCELLENT CONDITION. Original box, mounting plate, and wire are included. This is the 2nd Generation WIRED version.
You save $15.00

Google Nest T5000SF Temperature Sensor for Nest Learning Thermoset Nest E UVG
Works with the Nest Learning Thermostat (3rd gen) and the Nest Thermostat E. Nest Sensor. Requires one CR2 3V lithium battery. Back Cover.

Safemark Commercial Safe Wall Or Floor Safe

First Alert Z-WAVE Smoke & Carbon Monoxide Alarm (ZCOMBO) - with New Batteries
First Alert Z-WAVE Smoke & Carbon Monoxide Alarm with new batteries and hardware as pictured.

eufy 5-Piece Home Alarm Security System Kit Keypad Entry/Motion Sensor|Refurbish
Instant Alerts: Get notified as soon as motion or a breach is detected with the eufy Security app. Easy Setup: Install in minutes all by yourself. The entry sensors attach to doors and windows, while the motion sensor and keypad can be secured to walls via the included mounts.
You save $89.25

Google Nest Protect CO & Smoke Detector Alarm - 2nd Gen - WIRED - EXPIRES 7/2028
Used Google Nest Smoke and Carbon Monoxide (CO) detector alarm in EXCELLENT CONDITION. Original box, mounting plate, and wire are included. This is the 2nd Generation WIRED version.
You save $15.00

ITI GE Interlogix NetworX NX-148E-RF LCD Keypad Wireless Receiver Tested Working
Professionally refurbished keypad removed from working alarm systems. All units have been tested and verified fully functional prior to shipment. You will receive a unit in good cosmetic condition โ no yellowing, no cracks, and no visible damage. Clean, presentable, and ready for installation. Free Shipping 60-Day Warranty / Returns Accepted

BONANO 1.6 CUB FIREPROOF SAFE WITH MUTE FUNCTION DIGITAL TOUCH SCREEN Keypad
It features four solid lock bolts and a pry-resistant micro seam design, providing robust physical protection against forced entry. โข ใAnti-Tampering Alarm Systemใ: The safe box is equipped with a double alarm system for added security.

Ubiquiti UniFi Access Reader w/ PoE Injector Door Access Control Unit
Ubiquiti UniFi Access Reader w/ PoE Injector Door Access Control Unit - No other accessories included We have 30 day returns money back guarantee . We do our best to describe everything accurately. This item is sold as shown are pulled from working environments and may include components that are untested, incomplete, or non-functional. While we do our best to describe each item accurately, we cannot guarantee the performance or compatibility of every part. See photos for more details. By purchasing, you acknowledge and accept this item is being sold as-is with no guarantees beyond what is stated.
You save $5.77

HONEYWELL ADEMCO SECURITY 5808W3 WIRELESS PHOTOELECTRIC SMOKE/HEAT DETECTOR USED
1 x 5808W3 Smoke/Heat Detector - used. Built-in wireless transmitter, temporal code 3 sounder. The technician is able to quickly and easily clean the detector chamber without disassembling the detector head.

Xfinity XHK1-UE Security Alarm Keypad White Home Security With Replacement Back
Xfinity XHK1-UE Security Alarm Keypad White Home Security With Replacement Back This is a used keypad with a new custom 3D printed back replacement. Each one is tested and in working order but has some cosmetic outer wear or black markings. You will receive a different unit than the one pictured but will have similar wear to the ones pictured. May have black marks in a few spots. Message me if you want to see photos of unit before it is sent to confirm condition. Thanks.
You save $1.52

ONE KIDDE FIREX 120V WIRING HARNESS PIGTAIL USED (SET OF 4)
Please view photos carefully prior to purchase. This set includes 4 used Kidde pigtail terminal wires. Fits most kidde firex detectors, but please verify proper fit for yours. If you have any questions please feel free to reach out! Ships within 24 hours!

Kidde KN-COPE-IC Combination Smoke / CO Alarm / Detector w/ Base Free Shipping
You are buying a Used Kidde KN-COPE-IC Combination Smoke / CO Alarm / Detector w/ Base.

Google Nest Protect CO Smoke Detector Alarm 2nd Gen WIRED - EXPIRED! PARTS ONLY!
Used Google Nest Smoke and Carbon Monoxide (CO) detector alarm in EXCELLENT CONDITION. Original box, mounting plate, and wire are included. PARTS ONLY! This unit is EXPIRED and the Nest app will not allow you to add it.

Ring Solar Security Sign Illuminated & Solar Powered (sign only)
Ring Solar Security Sign Illuminated & Solar Powered Intruder Deterrent. SIGN ONLY POLE IS NOT INCLUDED.

Google Nest Protect Hardwired Smoke/CO2 Detectors Lot Of 3 (04/27,05/26,06/26)
Google Nest Protect Hardwired Smoke/CO2 Detectors Lot Of 3. Expiration dates are in the photos. two expiring soon, one April of 2027

Honeywell ADT DSC WS4933 Carbon Monoxide Detector - preowned
Made in Canada, this carbon monoxide detector provides peace of mind and protection for you and your family. 1 x WS4933 Carbon Monoxide - used.

Honeywell / Ademco 9708 Glass Sentry Test Unit
no box - clean unit and works as it should The box was in very poor shape - I threw it out

First Alert 2-in-1 Smoke & Carbon Monoxide Alarms with Voice Alerts - 2 Pack

Google Nest Protect CO Smoke Detector Alarm - 2nd Gen - WIRED - EXPIRES 07/2028
Used Google Nest Smoke and Carbon Monoxide (CO) detector alarm in EXCELLENT CONDITION. Original box, mounting plate, and wire are included. This is the 2nd Generation WIRED version.
You save $15.00

Google Nest Protect CO & Smoke Detector Alarm - 2nd Gen - WIRED - EXPIRES 2028
Used Google Nest Smoke and Carbon Monoxide (CO) detector alarm in EXCELLENT CONDITION. Original box, mounting plate, and wire are included. This is the 2nd Generation WIRED version.
You save $15.00

Control4 C4-VDB-E-BL Video Doorbell PoE Intercom Camera Black
Control4 video doorbell Poe black works great

Video Doorphone Home Intercom Entry Surveillance Door Display By VOS Systems Inc
This video doorphone entry intercom system by VOS Systems Inc is the perfect addition to your home security. With its high-quality audio and video capabilities, you can easily see and communicate with anyone at your doorstep. The system is designed for ease of use and comes with a variety of features that make it a great choice for any home. Whether you're expecting a package or just want to keep an eye on your property, this intercom system has got you covered. Its durable construction and advanced technology ensure that you get the best quality sound and image possible. So why wait? Get your hands on this amazing video doorphone entry intercom system today and enjoy the peace of mind that comes with knowing who's at your door.

Sentry 1150 / Fire Resistant Chest Safe / Portable Safe w/Key๐บ๐ธ๐บ๐ธ
Sentry 1150 / Fire Resistant Chest Safe / Portable w/Key๐บ๐ธ๐บ๐ธ. Condition is Used. Shipped with USPS Ground Advantage.

Orange Shasta Can Safe Secret Hidden Storage Container Screw top California

Used 36090 NuTone 5" Replacement Intercom Speaker Cone 25 ohm ISA IS 335 445
The 5" speaker fits into many NuTone intercoms including This is an indoor speaker.

Google Nest Protect CO Smoke Detector Alarm - 2nd Gen - WIRED - EXPIRES JULY '28
Used Google Nest Smoke and Carbon Monoxide (CO) detector alarm in EXCELLENT CONDITION. Original box, mounting plate, and wire are included. This is the 2nd Generation WIRED version.
You save $15.00

Honeywell 6162RF Alarm System Keypad~Working Pull
The Honeywell 6162RF Alarm System Keypad is a white, wireless keypad designed for home security systems. Made by the trusted brand Honeywell, this keypad is compatible with Honeywell systems and features alpha numeric capabilities for easy programming. With a hardwired power source, this keypad does not require batteries and offers convenient wireless connectivity. Perfect for adding a secure touch to any home, this keypad is a reliable and essential component of a comprehensive home security system.

Antique Wooden Book Set Hidden Safe Stash Box Storage Hidden Key Hole - w/Key
Made of wood with an antique finish, this hinged lid box features a hidden key hole that is revealed by sliding the top out and removing the middle piece that reveals the keyhole. Perfect for storing money, weapons, or valuables.

Aiphone video doorbell intercom bundle with power supply KC-DAR KC-1HRD
You get everything Pictured - See All Pictures UNTESTED SOLD AS IS 3 AIPHONE KC-1HRD WITH POWER SUPPLY - KC- DAR CAMERA

Honeywell Silent Knight SD500-ANM P/N 122827 ADDRESSABLE NOTIFICATION MODULE
Item was taken out of a job site that had a bad panel. The actual condition of this device is not known. If it is defective, we will replace it.

Airthings 2920 Wave Mini indoor Air quality monitor (Bundle of 2)
The Airthings 2920 Wave Mini indoor Air quality monitor is a set of two sleek white devices that monitor and improve indoor air quality. Weighing only 0.3 lb, they are lightweight and easy to install in any room.

Ge Interlogix Network Nx148e Nx-148e LED Keypad Alarm
Tested and working