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Two way intercom, one way call and lock function
Two wire connection
With a new ABS plastic, durable
Excellent consumer side of the tone circuit, intercom voice clarity
Effective distance of 300 meters above intercom
Easy installation easy use
Audio distortion rate of 50mW
Talk time: unlimited, free calls
Input voltage: AC220V 50Hz, Output voltage: AC12V 1200mA
Frequency response: 300 ~ 3400HZ
Working voltage: DC12V
Power consumption: static <0.2W, call status <2W
