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Wireless doorbell, range in open area up to 300 m, waterproof button, radio transmission (frequency 433MHz), 6 levels of volume adjustment, sound level 60?85 dB, 36 polyphonic ringtones to choose from, 3 signaling modes (optical, audible, optical-audible), the number of receivers and buttons working together can be increased as needed, learning system (automatic login), does not require doorbell installation.
Don't miss the daily updates on new products and news on Merkandi. Receive discount code for registration.