Door & Window Sensors
door & window sensors — pre-owned
Browse 49 door & window sensors — pre-owned on eBay — listings updated every few minutes. All items are pre-owned and sold by eBay sellers directly.
Tektelic Kona Micro Gateway LoRaWAN LoRa - Lot of 2
One is a standard tektelic gateway and one is a meshify variant but they both work fine and are good for normal lorawan gateway use.
HID EDGE EVO EVM 82365AT Voltage Module
Part Number: 82365AT. Model: EDGE EVO EVM. Credit Card.
HID 6130AKN000009 Card Reader W/ Keypad 6094-300-03 90 DAY WARRANTY
HID 6130AKN000009 Card Reader W/ Keypad 6094-300-03. Model: 6130AKN000009. Type: Card Reader W/ Keypad. This Unit has had its Serial Number covered for security. Credit Card. Part Number: 6094-300-03.
Continental Instruments Life Gard 3400 Door Alarm Gold Finish 11-3/4"L x 1-5/8"W
The alarm is new and unused.
You save $8.25
Tektelic communications Kona Micro Gateway T0004855
NOT INCLUDED AC-ADAPTER OR ANY OTHER ACCESSORIES.
GRI 100-T Miniature Surface Mount Magnetic Contacts White Security Alarm Lot USA
Especially if it arrives broken, defective, or not to your liking in any way.
Vintage Chain Burglar Alarm Home Lock Protection for Doors Loud POWERHORN ARCHER
Honeywell IS3050 Passive Infrared Motion Sensor
Honeywell IS3050 Passive Infrared Motion Sensor , clean, functional when decommissioned
Aleph International PS-1650W Magnetic Contacts White 10 Pieces High Quality
Especially if it arrives broken, defective, or not to your liking in any way.
VTech Open/Close Sensor Accessory VC7002
Samsung SmartThings ADT Door and Window Detector
4 packs all new never installed.
Lot (3) SmartThings Multipurpose Sensor Door Window Contact Sensors Untested
Untested – pulled from a working SmartThings setup but not tested by us after removal. 3x SmartThings Multipurpose Sensors.
VTech Wireless Monitoring Motion Sensor Accessory VC7003
Tolviviou Home Alarm System - 8 Piece Kit - Wireless Home Security With Sensors.
No contracts and No subscription fee. The alarm station should ALWAYS CONNECT to AC adapter.
Tektelic communications Kona Micro Gateway T0004855
You save $150.00
GT500W Gotcha Outdoor Sensor with 110 Degrees View Detection, Polycarbonate, ...
GT500W Gotcha Outdoor Sensor with 110 Degrees View Detection, Polycarbonate, ...
Aleph International PS-1650W Magnetic Contacts SPDT 10pcs White Security Sensor
Especially if it arrives broken, defective, or not to your liking in any way.
Easy Home Door & Window Alarm
Blink Indoor+floodlight BCM00400U Battery-powered LED Floodlight Camera
Functionality condition: This device is in fully working used condition and has been tested to ensure everything functions as it should. Model BCM00400U. Serial# US/CAMODEL:BCM00400U. Wiped of all data.
ProductTrend Door Security Bar Alarm
Jams between door knob and. No assembly needed. Just set it and forget it.
Vintage Chain Burglar Alarm Home Lock Dual Protection for Doors Windows 1986
The Vintage Chain Burglar Alarm Home Lock Dual Protection for Doors Windows in beige color is a door alarm from 1986 by JUSTEN. It is designed for indoor use and is compatible with windows. This alarm does not come with a battery included, making it necessary to use a battery as a power source. The package includes one alarm, providing dual protection for your home by acting as a deterrent against potential burglars and giving you a sense of security for your doors and windows.
YardGard - Gate, Door & Window Water Hazard Entrance Alarm- LOT OF 2 2759A
It is easy to install and features a powerful water hazard detection system. Triple Protection: Secure multiple points of entry with three YardGard alarms, each adhering to UL 2017 safety standards for maximum pool safety and compliance.
Wireless Remote Control Working with Home Alarm System White 433 Mh
Nice deal
You save $7.92
Door Window Sensor
Wireless Remote Vibration Alarm Sensor 110db Super Loud For Home Security Sensor
See Pictures For Details.
doberman door and window defender w/ chime patio entry security alarm
Napco Gemini Wireless Window/Door Security Transmitter (GEM-TRANS2)
Expand your Napco Gemini Security System with the Napco Gemini Wireless Window/Door Transmitter. The transmitter is used to monitor a door or window. When the entryway is opened, the magnet and sensor will be separated, triggering an alarm.
2 Noopel Door Window Alarm 2Security Sensor Burglar Anti-Theft
Brought and never used. All 6 batteries.
Innovative Technology Wall Panic Alarm with Pull Cord – 100dB – Golden Solutions
• Sound Output:Loud 100 decibels (100dB). • Type:Wall-Mounted Panic Alarm. • Condition:Used – Fully tested and working. 🔒 Ideal for.
Door Window Sensor
Door Window Sensor. Condition is Used. Shipped with USPS Ground Advantage.
Sabre Home Series Door and Window Alarm Set 120dB Sound Range
Experience peace of mind with an ear-piercing 120dB siren, capable of deterring intruders up to 1,500 feet away. Missing 1 Window Alarm Wedge. Type: Door Sensor. Power Source: Battery.
Lot of 2 (two) Bell & Howell 7694SMOHN Electronic Sonic Alarm Chime Window/Door
In addition to being effective, the alarms are also aesthetically pleasing with a white plastic construction.
Ring Chime Pro
RING DOORBELL PRO
RING DOORBELL PRO PRE-OWNED BUT HARDLY USED
Doorstop Alarm Universal Fit Security Alarm
Set of 3 SimpliSafe Entry Sensors 3rd Generation - Compatible with Gen 3 Base
Gently used, fully functional. Comes with batteries. Thank you for viewing this listing. Please reach out if you have any questions about the item.
TECHKO SAFETY AND SECURITY HANGING DOOR GUARD ~ VIBRATION SENSOR ~ MODEL S 184
An "Alarm" mode exists for a more urgent/loud warning for vibration at a locked door.
Yard Guard Window and Door Alarm. Battery Operated
The Yard Guard Window and Door Alarm is a battery-operated unit designed by SPQ, Easy to install and provides safety for children accidentally entering a pool area.
Secure Wireless Door/Window Contact
This wireless window contact from Secure Wireless is the perfect addition to your home security system. Designed for use with windows, this door sensor is easy to install and provides reliable connectivity through its wireless feature. The model EV-DW345 comes with one wireless window contact, and the unit quantity is one. The Secure Wireless Door/Window Contact is compatible with Windows and does not come with a battery. It is a type of door sensor that is sold as a unit. The contact is made by Secure Wireless, a trusted brand in the home security industry. This product is ideal for those who want to secure their windows and keep their home safe.
YARDGARD ALARM - Gate, Door, Window, Water Hazard
Yardgard Door and Window Pool Alarm, Child Safety UL 2017 Compliant Alarm for Pool Gates and Sliding Doors, Weatherproof, Wireless, Compliant Siren, ETL Certified, Easy to Install, color may vary. GATE & WINDOW ALARM – The YardGard Gate and Window Alarm is an effective and affordable warning system that features a 120 dB alarm to alert you and your neighbors of unauthorized entry and activity.