Built in PIR motion sensor. The motion detector power by 4 AA batteries (not included). When the alarm is triggered,it will sound for 20 seconds. Loud 120 db alarm. 110 degree wide angle.
eBay
TPMS Car Tire Pressure Alarm Monitor System Wireless Solar Power 4 Sensors Decoration With Colorful Digital Display Accessories
Aliexpress UK
1 Keypad / 2 RFID / 1 Outdoor siren. 1 Gateway w/built-in siren. Transmission Range Up To 80M - 24 Months Battery Life - Tamper Proof. Colour – White / RFID (Black). Fixing – Surface mount. Material – ABS.
eBay
USB Android TPMS Tire Pressure Monitoring Alarm System Exchange The Tire Position Freely Wireless External Sensors
Aliexpress UK
eBay
Car TPMS Cigarette Lighter Wireless Universal TPMS USB Digital tpms Tire Pressure Alarm System 4 External Internal Sensor
Aliexpress UK
1x Alarm Motion Detector. 1x Alarm Keypad. 1x Alarm Range Extender. OUR LOWEST PRICE EVER! 1x Base Station. You can expect to receive the item exactly as described and shown within the photos.
eBay
Scare off would-be intruders and alert the neighborhood with this wireless 105 dB indoor/outdoor siren. Loud 105 dB siren makes sure the alarm is heard when a security risk is detected. IP65 weather-resistant design, so the siren can be used indoors...
eufy
Built in PIR motion sensor. The motion detector power by 4 AA batteries (not included). When the alarm is triggered,it will sound for 20 seconds. Loud 120 db alarm. 110 degree wide angle.
eBay
E-ACE TPMS Wireless Intelligent Sensing Tire Pressure Monitoring System Safety Alarm Electronic Clock LCD Display
Aliexpress UK
With a huge wireless range of up to 280m from the PIR sensors to sound receiver (when direct line of site), goods and property can be protected from a multiple of locations. AlertOlarm is an enhanced version of the split PIR motion sensor, using both infrared and motion detections (to prevent false alarms) raising audible alerts via its sound receiver to, either dissuade the thief from entry or raise instant alerts to the owner.
eBay
Extractme Tire Pressure Monitoring System Colorful Display Wireless TPMS Motorcycle Solar Charge Tyre Temperature Alarm Sensor
Aliexpress UK
The host supports up to 30pcs wireless detectors, 8pcs remote key fobs, 4 doorbell buttons.
eBay
USB Android TPMS Tire Pressure Monitoring Alarm System Exchange The Tire Position Freely Wireless External Sensors
Aliexpress UK
Fully expandable system; up to 32 sensors can be connected to one wireless alarm receiver, while 1 sensor can be connected to unlimited wireless alarm receivers.
eBay
E-ACE K01 TPMS solar sensor intelligence Wireless Tire Pressure Monitoring System Auto Security Alarm Device With 4 sensors
Aliexpress UK