Built-in Siren and With 110db wired siren. ·GSM and WIFI dual network alarm. GSM and WIFI dual network alarm. The host is connected to the detector wirelessly, saving the trouble of wiring. The alarm host can be connected to 2.4G signal wifi, and can be used by inserting a 2G signal SIM card.
eBay
433Mhz Indoor Wireless Siren Alarm For Smart Security Alarm System PG103, PG105, PG107, PG108
Aliexpress UK
Ring Alarm is quick to install and easy to use.
eBay
Extractme Motorcycle Alarm USB Charging Wireless Bicycle Burglar Lock Waterproof Electric Bike Security System Vibration Alarm
Aliexpress UK
Built-in Siren and With 110db wired siren. ·GSM and WIFI dual network alarm. GSM and WIFI dual network alarm. The host is connected to the detector wirelessly, saving the trouble of wiring. The alarm host can be connected to 2.4G signal wifi, and can be used by inserting a 2G signal SIM card.
eBay
Hollarm Bicycle Vibration Alarm Wireless Motorcycle Alarm Anti-theft USB Rechargeable Remote Control Security System Waterproof
Aliexpress UK
eBay
ABQR Ebike Alarm System Dual Remote Control 36V 48V 60V 72V Alarm Accessories Universal Waterproof Electric Bike Replacement
Aliexpress UK
eBay
Wireless Door Window Vibration Sensor Alarm 110dB Anti-theft Remote Control Detectors Home Security Alarm System
Aliexpress UK
used but never set.
eBay
Door and Window Alarm Security Wireless Home Window Door Anti-theft Security Alarm System Magnetic Sensor
Aliexpress UK
Ring Alarm is quick to install and easy to use. Motion Detector. Get more for less with an optional Ring Protect Plus plan for £8/month. Always connected, and always protected with 4G Cellular Backup to keep you online if your internet goes down.
eBay
Wireless Bicycle Vibration Alarm System Waterproof Motorcycle Electric Bike Alarm Remote Control Anti Lost Security Sensor
Aliexpress UK
eBay
E-bike Alarm System 48V 60V 72V with Two Switches for Electric Bicycle Scooter Motorcycle Safety Anti-theft Remote Control Alarm
Aliexpress UK