PIR Motion Detector for Alarm System 433MHz The 433MHz Motion Sensor for Tuya Alarm System provides reliable detection and security for your property. Operating on the stable 433MHz frequency, this sensor detects movement within its range, instantly sending alerts to your Tuya-compatible alarm system. It seamlessly integrates with other Tuya smart devices, enabling real-time monitoring and enhancing your security setup. Ideal for residential and commercial applications, this motion sensor offers an efficient, easy-to-install solution to detect intrusions and protect your space. Wireless Frequancy : 433MHz Battery : AAA 1.5V 2pcs (Not Included) Wireless Distance : 80m (Open Space) Detecting Distance : 8~12m Recomended Installation Height : 1.8~2.2m Package Size 10x5x2cm G.W. : 0.070kg