Material Plastic Brand NO Model BV11 Color Grey Quantity 1 Remote Controlled distance N/A Voice Decibels N/A Power Supply Built-in Li-ion battery Battery Type 600mAh Certification CE Other Easy to install and use without wire needed; mini body; text / call preset number when the door is open or closed; with multiple alarm method battery check and automatic prompt when battery is below 10%; supports long distance setting / withdrawing alarm; standby: 48~60 hours; talk time: 1~1.5 hours; voltage: 5v; can be widely used in house office premises warehouse car etc.; power: 0.1w; installation: adhesive tape; current: 500mA. Packing List 1 x Door alarm 1 x Magnetic bar 1 x USB cable (74cm) 1 x 100~240V EU plug power adapter 1 x English / Chinese manual