description: Features: The anti-theft motion detector infrared sensor alarm is designed to notify home and business owners of people or vehicles entering the room. Integrated structure, suitable for all types of weather, completely sealed (anti-fog), dust-proof (worm), etc. Make it work normally in harsh environments. Stable characteristics and high reliability. Precise design, easy to install Made of durable materials, corrosion and wear resistance. note: Due to the influence of the monitor and light, the actual color may be slightly different from the picture Due to manual measurement, please allow a difference of 1-3 cm specification: material: plastic Size: as shown Receiver parameter range: 20m Infrared emission frequency: 1.92 khz Input power: DC \/ AC12-24V Wavelength: 940nm Input current: RX15mA-TX30mA Incident angle: Working environment: -20~70 degrees Celsius Maximum load: 1Amax30V