【Two Charging Methods】This motion sensor adopts rechargeable lithium battery. It can be charged by solar energy or USB charging cable, the motion sensor is suitable for indoor and outdoor environments. The ultra-high IP65 waterproof grade ensures that the motion sensor is not attacked by rain. 【4 Working Modes】4 working modes are available: ①All-day sound and light alarm ②Night sound and light alarm ③Night flashing alarm ④Alarm closure. You can use the remote control to switch the mode according to your needs, or press the setting button on the detector to switch the mode. 【Scientific Design】The motion sensor alarm is designed with a switch to adjust the detection distance and an adjustable bracket. You can flexibly adjust the detection distance and angle, and control the detection sensitivity according to the actual demand. Note: The default detection distance of the motion sensor is 9-12 meters. 【Firm Installation】The wireless motion sensor comes with a bracket and is mounted with