Microwave (Radar) sensors usesmicrowaves to trigger the system. It sends out the microwave radio energy into its path and waits for an object to reflect the energy back into it. MRS is a new generation, microwave based proximity sensor module.
eBay
433MHz LCD Wireless WIFI + GSM Auto-dial Alarm Security Alarm System Motion Sensor APP Remote
Aliexpress UK
LCD FM 2-Way Alarm Pager -HAWK FM11, Now Shipping Direct Brand New from Manufacturer with Free Nano Microwave Sensor to avoid theft.
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Wireless Home Alarm Security Alarms For Home Sensor Alarm With Security Keypad PIR Home Garage Alarm
Aliexpress UK
This set consists of a parking aid with 4 ultrasonic sensors and a loudspeaker. After easy installation, the system works fully automatically. 1 x wireless acoustic indicator. 4 x ultrasonic sensors.
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TUYA WIFI Smart Solar Infrared Sensor Alarm Pir Sensor Waterproof Security 120dB Alarm System for
Aliexpress UK
Car radar collision avoidance system is used for car exercises, berths and other safety aids. 8 x Black parking sensors ( front sensors cable length 6.3m，rear sensors cable length 2.3m). Alarm prompt way.
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Aqara Vibration Sensor DJT11LM Zigbee Shock Sensors Smart Vibration Detection Alarm Monitor Work
Aliexpress UK
Glass Mount Antenna with Built-in LED Light and Valet Switch 125dB Weatherproof Siren. To arm the system, exit the vehicle, close all doors, then press the button. The LED status indicator will blink steadily, once per second.
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Original Aqara Smart Vibration Sensor ZigBee Motion Shock Sensor Detection Alarm Built-in Gyro For
Aliexpress UK
Easy to use: The universal car safety system is equipped with a speaker alarm, which alarms through vibration induction. Alarm Static current: 8Ma. 1 Piece Vibration Sensor. Vibration Static current: 6ma.
eBay
Aqara Smart Vibration Sensor Zigbee Motion Shock Sensor Detection Alarm Monitor Built-in Gyro For
Aliexpress UK
The SIM card must have sufficient credit to send and receive SMS or call alerts for optimal functionality of the security system. giving you a chance to protect your Vehicle and its contents. Wireless Sensors, Plug & Go Power connection option.
eBay
Aqara IP67 Water Immersing Sensor Zigbee Flood Water Leak Detector Alarm Security Soaking Sensor
Aliexpress UK
Secure your van or camper with this pair of powerful 113db alarms. Designed for easy installation-simply stick,screw or rivet them in place. Pair of Wireless Alarms with Remote/113db Adjustable Siren/ Waterproof.
eBay
SONOFF SNZB-04P Zigbee Door Window Sensor Home Security Alarm Sensor Local Smart Scene Works with
Aliexpress UK