This Wireless Motion Sensor Alarm is suitable for homes, offices, yards, and shops, featuring a 120 dB alarm level and a detection range of 5-7 meters. It includes 2 infrared remote controls for convenient use and a long-range multi-channel wireless remote control. The alarm is powered by 4 AA batteries (included) and has a remote control distance of 10-15 meters (open area). Easy to install with the included mounting bracket, this alarm system provides peace of mind for your security needs. Features: - Suitable for homes, offices, yards, shops, etc. - Long-range multi-channel wireless remote control, convenient to use. - Includes 2 direct infrared remote controls. Please use it directly facing to the sensor. Specifications: Alarm level: 120 dB Detection range: 5-7 meters Power by: 4 x AA batteries (included) Remote control distance: 10-15 meters (open area) Package included: 1 x Wireless alarm detector 2 x Remote controls 1 x Mounting bracket Notes: 1. Manual measuring, please allow 1 ~ 3mm error,thank you. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the picture.