WSDCAM Outdoor Wirele Waterproof Doorbell 250m Range Sensor LED Night Light 38 Music Door Bell 5 Volume Level Battery Powered Product Introduction This product integrates wirele doorbell and induction light,and can be used for two purposes. High baud rate RF technology, intelligent MCU sleep wake-up, with high-capacity alkaline battery, longer standby time. The receiver is battery powered, which breaks the limit and can be placed at will. It is suitable for more occasions. 38 music, 4-level volume adjustment, with mute mode. Millions of group codes are not repetitive and can be freely combined to achieve dual control, mutual control and multiple control. The induction lamp uses infrared body sensing+light sensing technology, and it will light up for 30 seconds when someone paes by at night. Three working modes: AUTO mode/OFF mode/ON mode. The transmitter adopts high-performance battery, which is super power-saving, easy to paste and install.AUTO mode: In the dark environment, when someone paes through the induction range, the light will automatically light up.When the person leaves the induction range, the light will go out 30 seconds later.OFF mode: LED off mode.ON mode: Normally on mode. (Please pay attention to saving electricity in this mode) Support IP68 Waterproof Level Remote control distance 250M Multiple doorbells can be pairedIntelligent dual-mode learning mode,which can be used to distinguish the front and rear doors of different musicThe induction lamp uses infrared body sensing+light sensingtechnology, and it will light up for 30 seconds when someonepaes by at night.