Feature:1. Modern Style: Simple and modern white wireless doorbell that fits the aesthetic of most homes, as well as classrooms, offices, stores and more.2. Motion Detection: The doorbell features an infrared sensor to detect motion that sends a signal to the receiver, effectively protect your home security.3. Advantages: Wireless remote control doorbell is anti interference, far receiving range and compact size for easy carry.4. Application: Perfect for front doors, window frames, driveways, sidewalks and anywhere in your home where you want to receive a motion alarm.5. Reminders: Do not place the detector in windy areas and try to keep an unobstructed path between the detector and the receiver for best performance.Specification:Item Type: Remote Control DoorbellMaterial: ABSProduct Weight: Approx: 92g/0.2lbColor: WhiteFeatures: Wireless doorbell callReceiver Voltage: 100v-250vRemote Control Voltage: 12V/23ARemote control shipped with built in battery (button cell, battery model: 27A)Remote Control Battery Capacity: 30mAhPlug Specifications: US plug.Package List:1 xDoorbell1 x Remote Control1 x Chinese and English User Manual1 x Adhesive Sheet