Description/Features: Advanced Detection Technology: Equipped with the latest PIR (Passive Infrared) technology, this motion sensor alarm effectively distinguishes between humans and animals, reducing false alarms and enhancing security for your home or business. Weatherproof Design: Built to withstand harsh weather conditions, this waterproof sensor is ideal for outdoor use, ensuring reliable performance rain or shine. Wide Compatibility: Operating on 433Mhz , this sensor is compatible with alarm systems, making it a versatile addition to your existing setup. Easy Installation: This wireless sensor is designed for easy setup, allowing you to secure your premises quickly without the need for complex wiring. Specifications: Color: White Material: ABS Transmitting distance: 150m (open space) Working voltage: 3V (2 AA batteries, not including batteries) Standby current: Less than 8μΑ Alarm current: Less than 10mA Wireless frequency: 433.92MHZ Alarm indicator: long light for 3 seconds Anti-tamper switch: normally closed Detection distance: 12m@25℃ Detection angle: 110 degrees Anti-white light intensity: 10000Lux Due to different batches, there may be differences in product appearance and printed text, which not affect use Package Contents: 2 x Motion sensor Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.