brand new and high quality Suitable for bedroom, living, kitchen, lobby, corridor...etc. Pure wireless structures, with simple installment and maintenance Power-saving and intellectual analysis design, has more continuous working for time than other detector Can detect moving body in angle Horizon 110, vertical 60 as far as 5-12m With a stand which can fix on the wall and adjust the angle Size: 10.5cm x 5.5cm x 4cm(approx) Specification: * Power Supply : 9V battery x 1 pcs (battery not included) * Static current : I130mA * Alarm current : I220A * Transmission for Time : 1s * Detected Distance : 5-8m * Transmit Distance : approx 100m (no obstacle) * Detect angle : Horizontal: 110, Vertical: 60 * Working Condition : Temperature : -10C ~ 40C (approx 14F ~ 104F) * Humidity : 90 % Package includes: Magnet Sensor Detector x 1