All-in-one Wireless Motion Sensor Alarm System can be used as an alarm system for your home, shop and indoor place. 0-8m detection range and 110 detection angle Multiple installation methods: Stand-up InstallationCeiling InstallationWall Mounted Installation Come with a remote control, you can control the motion sensor alarm at anywhere Specifications: Detection Range: 8m Detection Angle: 110 degrees Alarm Siren: 120 dB When the host is low power, it will flash once every 40 seconds, and it will make a "beep, beep, beep" sound. Size: 6.5*8.5cm 2 installation methods Tips 1.USB cable cannot charge product or battery. If you use USB to power the product, you need to plug the USB into the power supply all the time. 2.Do not install the product in a place where it is exposed to rain, long periods of direct sunlight, and where temperature will change rapidly. Packing List: 1 Alarm