Cacazi Wireless Waterproof Doorbell 300m Range 0-110db 5 Levels Ringtones

Description

Matching quantity: the button supports up to 20pcs, and the receiver supports up to 100pcs. Ringtone setting: If multiple buttons are paired with one or more receivers in the same system, each button can be set to a different ringtone. Shutdown memory function: turn on the power again after shutdown, no need to readjust and lock the ringtone. Waterproof: The transmitter has no screw chuck design, so it can be waterproof and dustproof without rubber ring. Receiver voltage: 110-220-240V.