Door & Window Sensors
door & window sensors — pre-owned
Browse 42 door & window sensors — pre-owned on eBay — listings updated every few minutes. All items are pre-owned and sold by eBay sellers directly.
HID EDGE EVO EVM 82365AT Voltage Module
Part Number: 82365AT. Model: EDGE EVO EVM. Credit Card.
You save $23.25
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.
You save $49.60
Tektelic communications Kona Micro Gateway T0004855
You save $135.00
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
VTech Open/Close Sensor Accessory VC7002
YardGard - Gate, Door & Window Water Hazard Entrance Alarm # YG03
New opened box, lot of 2 The YardGard Gate, Door & Window Water Hazard Entrance Alarm (#YG03) is a set of two door alarms designed to protect your home from water hazards. These battery-operated alarms are compatible with windows and can be used both outdoors and indoors. With a power source of 9v batteries, these alarms are easy to install and provide an added layer of security for your property. Perfect for homeowners looking to enhance their home security system with a reliable and efficient door 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.
GT500W Gotcha Outdoor Sensor with 110 Degrees View Detection, Polycarbonate, ...
GT500W Gotcha Outdoor Sensor with 110 Degrees View Detection, Polycarbonate, ...
Vintage Chain Burglar Alarm Home Lock Protection for Doors Loud POWERHORN ARCHER
doberman door and window defender w/ chime patio entry security alarm
VTech Wireless Monitoring Motion Sensor Accessory VC7003
Tektelic communications Kona Micro Gateway T0004855
NOT INCLUDED AC-ADAPTER OR ANY OTHER ACCESSORIES.
Honeywell IS3050 Passive Infrared Motion Sensor
Honeywell IS3050 Passive Infrared Motion Sensor , clean, functional when decommissioned
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.
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.
Wireless Remote Vibration Alarm Sensor 110db Super Loud For Home Security Sensor
See Pictures For Details.
Wireless Remote Control Working with Home Alarm System White 433 Mh
Nice deal
You save $9.50
ProductTrend Door Security Bar Alarm
Jams between door knob and. No assembly needed. Just set it and forget it.
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.
RING DOORBELL PRO
RING DOORBELL PRO PRE-OWNED BUT HARDLY USED
Doorstop Alarm Universal Fit Security Alarm
Door Window Sensor
Vintage Chain Burglar Alarm Home Lock Dual Protection for Doors Windows 1986
The Vintage Chain Burglar Alarm Home Lock Dual Protection for Doors Windows from 1986 by JUSTEN is a unique and effective home security device. This beige-colored alarm is designed to be used on doors and windows, providing a sense of peace of mind for homeowners. With a battery-operated power source, this alarm offers reliable protection without the need for constant maintenance. Its retro design and compatibility with windows make it a versatile choice for indoor use, adding an extra layer of security to any household.
L and Z bracket VAN-B1002 for 1200 lbs Electromagnetic Lock - VIS
L and Z bracket VAN-B1002 for 1200 lbs Electromagnetic Lock - VIS. Condition is Used. Shipped with USPS Ground Advantage.
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.
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.
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.
2 Noopel Door Window Alarm 2Security Sensor Burglar Anti-Theft
Brought and never used. All 6 batteries.
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.
🐞 YARDGARD Gate Door Window Water Hazard Entrance Alarm EUC - FL
I AM A REASONABLE PERSON AND AM ALWAYS WILLING TO WORK WITH YOU IF THERE ARE ANY ISSUES. IF ITEM IS LISTED AS USED YOU SHOULD EXPECT THAT IT MAY NEED TO BE CLEANED BEFORE USE. ITEM MAY ARRIVE DIRTY.
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.
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.
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.
ATW DS-50 Dual Tone 15 Watt 115DB Alarm Siren Indoor Outdoor
ATW DS-50 Dual Tone 15 Watt 115DB Alarm Siren Indoor Outdoor. Condition is Used. Shipped with USPS Ground Advantage.
2 Indoor Window Door Alarm Sensor Model switch box only
As Seen In Picture(s). We will do our Best To locate The Parts you need And make every effort To save you money.;.
Ideal Security Code Access Gate and Pool Alarm
Telko Hello Midel 5082M Alarm System Keypad
The Telko Hello Midel 5082M Alarm System Keypad is a wireless door sensor unit in white color. It does not come with a battery included and is powered by a separate battery. The keypad includes an alarm and is designed for home security improvement. Made in China, this model is a single unit that offers wireless connectivity for easy installation and operation.
PROSIXCT
The Honeywell Home Pro Series Door/Window Sensor is a wireless device designed for indoor use, specifically compatible with windows. It includes a wireless window contact, window sensor, and door sensor, all in a sleek white color. The sensor operates on battery power and is manufactured in Mexico by the reputable brand Honeywell. This product ensures added security and peace of mind for your home by detecting any unauthorized entry through windows or doors.
Honeywell Home Pro Series Mini Door/Window Sensor (PROSIXMINI)
The Honeywell Home Pro Series Mini Door/Window Sensor (PROSIXMINI) is a wireless sensor designed to monitor windows and doors indoors. It includes a wireless window contact, window sensor, and door sensor, all powered by a battery. The white sensor is from the Honeywell Home Pro Series and is compatible with other Honeywell products. With its wireless connectivity, the sensor offers convenient and reliable monitoring for added security and peace of mind in any indoor setting.
Vintage Security Iron Door
With its unique features, such as a keyed lock and sturdy hinges, this door is perfect for those who prioritize both style and functionality. Ornate iron has small chip off piece.