Amazon.com : Roller Ball Recessed Button Pressure Reed Switch - Window/Door Alarm Contact Sensor Plunger with Terminals : Electronics
3in1 Alarm - Door Alarm with Delay 80 to 120 dB, Close Doors Reminder, Multiple Delays 0, 5, 10, 30, 60 Seconds, Time Delay Door Ajar Chime, Prevent Doors Left Ajar by Accident. (White) - - Amazon.com
ABB SK1-11 Bell Alarm Auxiliary Contact Block: Amazon.com: Industrial & Scientific
Amazon.com: Ring Alarm Outdoor Contact Sensor – 2-pack : Industrial & Scientific
Amazon.com : KCMYTONER 1 Set Wireless Anti-Theft Remote Control Door and Window Security Alarm, Contact Sensor Alarm, Interior Pool Door Alarm, Entry Chime,Fridge Door Open Alarm for Kid Safety : Electronics
Amazon.co.jp: Ring Alarm Contact Sensor (2nd Gen) – 2-pack : 家電＆カメラ
ATE 24819004102 Alarm Contact : Amazon.com.au: Automotive
Ring Alarm Contact Sensor (2nd Generation) - 2 pack : Amazon.co.uk: DIY & Tools
Amazon.com: Ring Alarm Contact Sensor (2nd Gen) : Tools & Home Improvement
Overhead Door Floor Garage Roll-up Shutter Contact Sensor Security Alarm Switch : Amazon.in: Home Improvement
WiFi Door Sensor, TESSAN Smart Window Contact Sensor Compatible with Amazon Alexa, Google Assistant, No Hub Required, Sends Alerts, Wireless Remote Alarm, Programmable with Smart Life Devices
Amazon.com: Ring Alarm Contact Sensor (2nd Gen) : Tools & Home Improvement
SwitchBot Door Alarm Contact Sensor - Smart Home Security Wireless Window Alarm and Door Sensor, Add SwitchBot Hub Mini to Make it Compatible with Alexa: Amazon.com: Tools & Home Improvement
uxcell N.C. Recessed Wired Window Door Contact Sensor Alarm Magnetic Reed White HC34A : Amazon.ca: Tools & Home Improvement
Amazon.co.jp: UHPPOTE NC Wired Magnetic Alarm Contact Sensor Window Alarm Open Detection Intrusion Prevention White (Pack of 5) : Home & Kitchen
WiFi Door Sensor, TESSAN Smart Window Contact Sensor Compatible with Amazon Alexa, Google Assistant, No Hub
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Amazon.co.jp: Ring Alarm Contact Sensor (2nd Gen) – 2-pack : 家電＆カメラ
Alarm Contact for Window and doors KEMO A003 Proof Horn Speaker for Alarm System : Amazon.co.uk: Toys & Games
Wireless Door Sensor Chime BITIWEND Alarm Contact Sensor Door Bell for Office/Home/Store,Door Open Chime Window Alarm Operate Range 600ft with 58 Chimes 5Volume Level,1 Door Sensor+2 Plug-in Receiver - - Amazon.com
Amazon.co.jp: Ring Alarm Contact Sensor (2nd Gen) – 2-pack : 家電＆カメラ
Wired Magnetic Contacts, Magnetic Contact Sensor Detector Switch for Home Garage Alarm Security for Window Door Security : Amazon.ca: Tools & Home Improvement
