Boundless Guardian Precise Response

Maximum 110dB volume, whether it is a duplex or a single flat, even if the courier is outside the door on a rainstorm day and presses lightly, you can hear the alert clearly in the bedroom. Anti-interference technology, goodbye to false ringing.

3s to Complete the Installation

No wiring required! The receiver is plug and play, with stickers easily on the wall. Power Failure Memory automatically saves preferences, and still remembers your favourite Canon ringtone and comfortable volume after an unexpected power outage, just like having a caring electronic housekeeper.

High-quality Protection

-4 F to 140 F stable operation, heavy rain, snow and sunshine weather as usual duty.CR2032 coin cell battery 3 years of ultra-long life (5 times per day use measurement), IP55 waterproof button withstand the wind and rain.

What's in the box
2 x Doorbell
1 x Receiver