Fuers WiFi Door Window Alarm Sensor with Magnetic Sensor, Wireless Door Window Contact Opening Security Alarm Compatible with Alexa Google Home, Tuya App Pushes Notification to Mobile Phone, No siren : Amazon.co.uk:
Carlisle Brass Magnetic Catch Nickel-Plated 15 x 14mm - Screwfix
Agrippa Wireless Sound-Activated Magnetic Fire Door Holder Black - Screwfix
remote control door sensor alarm 105db siren illegal entry alarm doorbell function alarm door alarm | Security alarm, Home security alarm, Anti burglar