RL-3915 Melody rings doorbell door chime wireless door entry chime

■ Prevent wrong calling by anti-interference digital technology and 19,683 pairs of codes; Or even over one million pairs of codes under the new technology with Super heterodyne circuit.

■ Remote control distance is above 60m.

■ IP44 waterproof transmitter.

■ Sixteen melody ringtones for option.

■ Enclosed two-year lifespan batteries, and made by energy-saving patent technology.

■ Professional remote control technology for more choices in installing the transmitter, even on iron gates.

■ Receiver with input DC voltage, relevant control distance of 60m or 120m (CE and FCC approved).

■ Wireless door chime for easy installation

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