WiFi Door Sensor Alarm: Smart Door Window Sensor with 90dB Alarm and App Notification, Wireless Door Open Contact Sensor for Burglar Alarm

PIC MS-324R/843 Reed contact sensor

Door Alarm, 2 Pack Wireless Door Window Safety Freezer Door Alarm 3/15/30/60 Seconds Adjustable Delay Wireless Door Open Sensor Refrigerator Alarm for Kids Safety Home Shop Security

4-Pack Home Security Door Alarm, Magnetic Window Opening Detector, 110 dB Theft Warning Sound for Garage Drawers, Safes

Door and window alarm, door/window sensor, 120 dB touch sensor, door handle, theft alarm, vibration, window burglar alarm, home security

Burglar Security Alarm, Door Window Magnetic Contact Alarm Security System

Set of 4 Wireless Door and Window Alarms - Anti-Intrusion, Magnetic, 100 dB - Home Protection Against Burglary

8 Pack Magnetic Window Door Alarms - Wireless Anti-Theft System - With Sensors - White - Batteries Included

2 Pack Freezer Door Alarm, Window Security Alarm, Wireless Refrigerator Alarm

Fridge and Freezer Alarm, Door Leave Open, White，6.53.41.7cm

Pack Freezer Door Alarm, Window Security Alarm, 3/15/30/60 Seconds Wireless Refrigerator Alarm, 4 in 1 Door Sensor Doorbell Loud Door Open Alarm 108dB

Home alarm, Refrigerator and freezer alarm, Door left open, 60-second reminders and more

Set of 4 Home Security Door Alarms, Magnetic Window Opening Detector, 110 dB Anti-Theft Alarm Chime for Garage Drawers, Safes

Door and Window Alarm, 2 Remote Controls, 130dB Siren, Adjustable Volume, 5 Alarm Modes, Magnetic Security Sensor, Wireless Home Alarm for Home, Shop, Children

Refrigerator and freezer alarm, door open, white, 6.53 x 41.7 cm

Smart Wi-Fi door sensor, no hub required, wireless door alarm with powerful 130dB siren and real-time notifications on your smartphone.

Set of 8 magnetic window and door alarms – Wireless anti-theft system – With sensors – White – Batteries included

Wireless Infrared Passage Detector - With 32 Different Melodies - For Business Hotel and Home - White - 1 Transmitter and 1 Receiver

Wireless Door Alarm with 130 dB Siren – Magnetic Detector for Doors, Windows and Cabinets – 90 x 43 x 13 mm

Wireless electromagnetic window and door sensor, low energy consumption