KERUI 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 chime sensor alarm is suitable for shop, office, home, business etc., to alert you when it detects movement, user-friendly operation and easy installation, favorable home alarm system.
♫ Main Function: Voice/alarm/music mode for you to make a choice 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 adjustable with volume button; total 32 musics selectable with music button.
♫ Supply Mode: There are two ways to power this doorbell chime: 9-15V power adapter and 3 AAA battery (Please note that power adapter and battery don’t seem to be included in the package, you want to buy them by yourself). It is more convenient to use battery to power, without the limit of installation place whilst working time will be more lasting if the usage of power adapter.
♫ Easy Installation: The horizontal detection angle of the chime motion detector is 110° whilst vertical detection angle 15°. Come with 2 screws and double-face tape. It is used directly after receiving, put in battery and adjust angle to avoid false alarm, not suitable for outdoor. If the product does not as it should be respond to movement,works sporadically ,false alarm.Please re-install the motion sensor chime to adjust suitable angle avoid it or change new battery to check out.
♫ Attention & Warranty: No matter which mode the pir shop entry chime is, when it plays voice/alarm/music, you’ll not forcibly switch off it or bring to a halt power unless they finishes completely and red light stops flashing, or all the settings will be reset. 12-month warranty, technical improve and friendly responsive customer service within 24 hours. Any questions, welcome to contact us by amazon email.