This is a simple and practical motion sensor, made with excellent craftsmanship, with excellent texture, which can effectively protect your property. With scientific design and reasonable structure, it is easy to install and practical, and can be easily applied to many places, such as walls, fences, trees or any other surface. This is a very professional and durable alarm sensor that will serve you well. Features -Color: White. -Material: ABS. -Size: About 8.00X5.50X5.30cm/3.14X2.16X2.08inch. -USB port current input: 5V/1A. -Working temperature: -10 degree centigrade-55 degree centigrade. -Working humidity: 10%-90%RH. -Preferred materials, , safe, durable and practical. -Made with superb craftsmanship, professional and practical, the sensor detects movement and sends a signal to the receiver. -It is perfect for front doors, corridors, window frames, driveways, sidewalks, and any place in the house where you want to make noise. -Easy to , convenient and practical, efficient and , will bring you a better experience. -You can buy this efficient and professional motion sensor at an . Package list: 3 x Home Gateway