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