Guo Wireless Indoor Motion Sensor Door Bell Shop Visitor Alert Chime Alarm Burglar for Business When Entering Door Opens

♫ Brief Introduction: Combined with motion detection, 90db alert and flashing red light, 2-6M detection range in open area, this standalone, all-in-one chime alarm plays an important role in informing you of intruder or visitor. The pir motion

♫ Main Function: Voice/alarm/music mode for you to select with mode button according to the need, “Dingdong, hello, welome”in voice mode; about 15 seconds continous alarm sound in alarm mode; play the music you select in music mode. 4 levels volume

♫ Easy Installation: The horizontal detection angle of the chime motion detector is 110° while vertical detection angle 15°. Come with 2 screws and double-face tape, you can mount it as you like. It is used directly after receiving, put in battery