SMATRUL C-Smart Waterproof Wireless Doorbell Self-Powered Door Bell Chime Ring No Battery 58 Ring Tones 4-Level Volume 1 2 Button Receiver Suitable For Business/Office/Home/Shop

SMATRUL. In the multi-drag mode, one doorbell can set different music for different buttons, and different ringtones can be set for the front and rear doors, making it easy to distinguish and not open the wrong door. The doorbell is equipped with a lighting function, which can be triggered by adjusting the switch into 4 modes: only ringing but not lighting, only lighting but not ringing, both ringing and brighting, and no ringing but not lighting. Meet any of your needs. For example, a deaf elderly person can tell whether someone is visiting by turning on a light. 4 levels of volume, freely adjustable. For example, if you have a busy week and want to have an uninterrupted weekend, you can turn the volume to the lowest level to protect your tranquility. Using intelligent learning code technology, it will not cause cross-ringing or interfere with neighbor's doorbells when used in any combination. Restart the machine after a power outage to retain the setting memory without resetting. Sup