Motion detection alarm: This infrared alarm is designed with motion detection function, which can automatically detect the movement of the person. Convenient and portable: The infrared motion sensor detector is small and , easy to carry, and can be placed in a pocket or backpack. REASONS TO BUY: Wireless infrared motion detector: with wireless infrared motion sensor, you can easily identify the location of your home and office. it also has a remote control function to detect small objects such as cars, boats, motorcycles, etc. Reliable quality: The infrared alarm is made of high-quality abs material, which is and has a long service life. Reliable quality: the infrared alarm is made of high-quality abs material, which is and has a long service life., Weight: 0.330693393 Pounds, Manufacturer: HWIREUIGT