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

Ersandy – 130dB Wireless Security Alarm – 5 Alarm Modes – 2 Remote Controls – Magnetic Sensor for Doors and Windows – Easy Installation

Door handle alarm, door and window alarm, touch sensor, alarm, door/window sensor, 120 dB, touch sensor, door handle alarm, theft protection

10 Pack Window Alarm with Wireless Door Magnet Sensor for Home Security System, Pool Door Alarm

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

Door and window alarm, 130 dB wireless door and window detector with remote control and batteries, burglar and theft protection magnetic sensor for home and child safety system

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

Door and Window Alarm - Set of 4 Wireless Burglar Alarms - Home Security Against Theft - Magnetic Operation

Door Alarm, Door Opening Detector with Powerful Siren, Wireless Magnetic Alarm for Doors and Windows (Pack of 1)

CCYKXA Remote Control Door Alarm, Pool Alarm Window Alarm, 105dB Infrared Siren for Home Security

Reinforced sanding belts 13 x 457 mm, grit P80 – 120-pack for sanding wood, metal and synthetic resin

Debuns – Pack of 10 Wireless Window Alarms – Powerful Magnetic Sensors – Loud Audible Alert – Easy Adhesive Installation

Door and Window Alarms - Set of 4 - Home Security and Burglar Alarms - Magnetic Operation - 120 dB

Door and window alarm, alarm with 130dB siren, 2 remote controls, easy to install, wireless home alarm

Door and window alarm, alarm with 130dB siren, 1 remote control, easy to install, wireless home alarm

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

Door and Window Alarm - 4x Wireless Intrusion Alarm Pack - Home Security Against Burglary - Magnetic Operation - 100 dB

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

Wireless Signal Detector, Mobile Phone Signal Detector, RF Wireless Signal Detector