• Working distance is around 150m and CE approval. • Wireless dual-way intercommunication between indoor unit and outdoor unit . • Digital transmission promises clear voice ,anti-interference and private talking. • Adjustable volume of melodies. • Watetproof(IP44) DC power outdoor unit . • Raincover for the outdoor unit is available. • Energy-saving technique.There is no power consumption in standby status;the power will be stopped automatically 30 seconds after no answer when someone presses the button . • Advanced code technique,anti-interference. • Working status indication. • Stick the outdoor unit with double-side adhesive tape. • Load 3xLR6 batteries and they can work for around one year.Remove the aluminum alloyed panel for battery replacement.
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