Home Security
home security — pre-owned
Browse 11,076 home security — pre-owned on eBay — listings updated every few minutes. All items are pre-owned and sold by eBay sellers directly.
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.
Hidden Compartment Book Hide A Book Cut Out Middle 2 3/4" X 4 3/4" X 7/8" Cavity
This is a real book that has had a cavity cut into it as a hideaway hole. The pages on the inside of the cavity have been glued together to create a solid wall. Looking at the outside of the book it just looks like an ordinary book.
Aiphone AX-8MV Audio Master Intercom Station For AX Series Security System
TMEZON 7''Touch Monitor WiFi Video Intercom Security System Doorbell with Camera
Light at the doorbell. With light on the doorbell, you get clear videos even at night and ensure more security. The exterior doorbell supports 2-electric locks that you can easily unlock for gate and door.
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 $85.00
Airthings Wave Plus 2930 Smart Radon & Air Quality Monitor New (Bulk Available)
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
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.
Used Airthings 2350 Battery Operated Digital Radon Detector LED Display Portable
For sale is a used airthings digital radon detector. Model 2350.
You save $1.92
Google Nest Protect Battery Smoke Detector Carbon Monoxide Alarm Ex 9/30+ Tested
No base, comes as pictured, alarm only The Google Nest Protect Battery Smoke Detector and Carbon Monoxide Alarm is a high-tech home security device that provides peace of mind against potential hazards. With its wireless connectivity and smart home compatibility, this white smoke alarm from Google Nest can be easily integrated into your existing home system. The battery backup ensures continuous protection even during power outages, while the voice alerts and phone notifications allow you to stay informed about any potential issues. Manufactured in 2020, this Nest Protect model (06A) is a reliable and efficient addition to any home security setup.
Airthings Digital Radon Detector Corentium Home
Airthings Digital Radon Detector Corentium Home In good working condition. Please check all images for the REAL item. No battery included Fast shipping
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.
Google Nest Protect Smoke Alarm Carbon Monoxide Detector - Various Expirations
Each detector Includes the factory mounting plate, but no drywall screws/anchors. All in working condition (not sure about the expired ones, I'm not sure how Google's app works with expired detectors).
SteamLabs Control UFCV-1000 Smart Water Leak Detector w/Automativ Shut-Off 1"
NO POWER CORDS! You will need to get replacement power cords they have been misplaced. The Streamlabs Control UFCV-1000 Smart Water Leak Detector with Automatic Shut-Off is a sophisticated home security device designed to detect water leaks and automatically shut off the water supply to prevent potential water damage. This black water detector, with a sleek design and reliable battery backup, is a must-have for homeowners looking to safeguard their property from costly water leaks. The model UFCV-1000 offers peace of mind and protection for your home and garden.
J&E Stevens August 17th, 1897 - Material, Cast Iron) (Burglar Proof Safe)not Key
J&E Stevens August 17th, 1897 - Material, Cast Iron) (Burglar Proof Safe)not Key. Condition is Used. Shipped with USPS Ground Advantage.
DSC PC5108 PoweSeries 8 Zone Security Expander Module w330
Resideo 6290WC Wi-Fi Touchscreen Security Keypad for Honeywell, White
Resideo 6290WC Wi-Fi Touchscreen Security Keypad for Honeywell, White
Nest Protect 3-Pack 2nd Gen Battery 1 Sealed 2 Tested Working Open Box
No remote, no cables, no power adapter. The third unit remains factory sealed in its original tray. The single included backplate is shown in photos. Opening the unopened third nest may yeild an backplate but is not gaurenteed.
Google Nest Protect Smoke and Carbon Monoxide Alarm 06A BATTERY Exp. Oct 2032
The item will still have minor marks from handling/storage and taking photos. Any fraud attempts will be fought and reported to local and federal authorities. BATTERIES, SCREWS, AND MOUNT INCLUDED .
Exp 2028 Google Nest Protect Smoke Carbon Monoxide Alarm 2nd Gen Battery
Nest Protect Used Refer to photos Everything you see in photos is included ! No screws ! Expiration of 2028
Honeywell 6160V Talking Alpha Keypad Never Installed With Stickers
Never installed don’t have original box fast shipping
You save $26.00
Ring Solar Security Sign Illuminated & Solar Powered (sign only)
Ring Solar Security Sign Illuminated & Solar Powered Intruder Deterrent. SIGN ONLY POLE IS NOT INCLUDED.
You save $2.49
Honeywell Lynx Touch L5210 Security Alarm Panel
HONEYWELL Lynx Touch L5210 Alarm Security Panel. Panel is used/pulled fully functional. Panel does have scuffing that you cannot see in pics, and I cannot get pics to see it to show. If having the system monitored must either connect to a regular phone line or get a compatible cellular radio card which is not included.
Lot Of 2 Google Nest Protect Smoke & Carbon Monoxide Alarms Model 06C
Airthings Corentium Home Radon Detector 223 Portable Lightweight, Easy-to-Use
RADON REPORT: Generate a radon self-inspection report easily, whenever you need it. FIRST OF ITS KIND: The first battery-operated, digital radon detector.
You save $2.04
Old Safe inside lock box
Has not been cleaned.
Ring Alarm Contact Sensor (2nd Gen) 1-Pack - White JB665
The Ring Alarm Contact Sensor (2nd Gen) 1-Pack in White is a wireless door sensor that operates on battery power. With a 130 dB operating sound rating, this sensor is designed to provide a high level of security for your home. It features a simple setup that requires no tools, making it easy to install and use. The compact size of 2.5 inches in diameter and the use of plastic material ensure durability and versatility in various locations within your home. This does not include batteries but it does include mounting screws and extra sticky pad replacements Incase you want to mount it that way!
You save $1.20
SimpliSafe Smoke and Carbon Monoxide Detector Used
Wireless SimpliSafe combination smoke and carbon monoxide alarm with photoelectric smoke sensing. Ceiling- or wall-mount design with test button. This item is used and in good working order with good cosmetic condition. It has been tested and operates as intended. Compatible with SimpliSafe Gen 3 wireless home security systems (requires an active SimpliSafe monitoring plan and base station unless noted). Original retail packaging is not included unless shown in the listing photos.
LOT OF 7* Ring Alarm Window & Door Contact Sensors - White
In great condition Feel free to ask any questions SKU: LOT7X RINGSEN
NAPCO Magnum RP1054E Digital Display Keypad
NAPCO Magnum RP1054E Digital Display Keypad
Wren PVM10B-208B-LW Door Entry System Box/Body 12V 1.5A Intercom Panel
Wren PVM10B-208B-LW Door Entry System Box/Body 12V 1.5A Intercom Panel
Fire Proof Safe-Dial Combination by First Alert **Local Pick-up ONLY**
First Alert brand fireproof safe has a dial combination and "T" handle to turn and open it.Have the combination and it works (hence the pictures of door being open). This safe has an interior drawer and 1 moveable shelf. Look at pictures for measurements.The drawer does and will slide out further than where it is in the picture,that's just as far as it will pull out where it sits right now. This will probably need 2 people to come in and get it with a dolly cart or some type and loaded to haul away. Only 3 steps from the door and then to the ground from inside the house. Open to reasonable offers. This is for LOCAL PICK UP ONLY and CANNOT BE SHIPPED.
FirstAlert Z-Wave Plus Smoke/CO2 Detector, 2nd Generation (ZCOMBO-G) Lot Of 5
FirstAlert Z-Wave Plus Smoke/CO2 Detector, 2nd Generation (ZCOMBO-G) Lot Of 5 Will receive everything pictured, all 5 detectors and one ring All were tested and work See pictures
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.
Ademco/honeywell Safewatch3000 6150ADT Keypads, Lot Of 5.
Selling a lot of 5, all in very good and decent pre owned condition, all are tested and fully functional, all 5 of them have been removed from existing functional security systems.
BRK First Alert SMI100-AC Smoke Alarm (2024 JuL 19 ) Used Ships FREE
This smoke alarm, manufactured in 2024, includes a battery backup feature for continuous protection. This has been inspected.
NOT WORKING Sargent & Greenleaf SG Model 6730-100 Mechanical Safe Lock Kit NW06
NOT WORKING / NOT TESTED - FOR PARTS ONLY. You get exactly what is shown (NW06).
First Alert Battery Smoke and Carbon Monoxide Alarm, 2-Pack
Pre-Owned Open Box.
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
NuTone 2064 Audio Intercom AM/FM Radio Phono Input Listen/Talk Switch Bronze
This Nutone intercom 2064 was removed from a home that was built in 1974. Due to its age and technology, I am selling it in “as-is” condition with no warranty. While it is a bit dusty, it doesn’t appear to have any significant damage. I was very careful when I took it out a few years ago. Please look closely at all of the pictures for condition details.