Intercom system doorbell with unlock function RL

Two-way intercom, one-way call and blocking function
-Two-wire connection
-With a new ABS plastic
-Excellent consumer side of the tone circuit, intercom voice clarity
-Effective distance of 300 meters above the intercom
-Easy installation easy to use

Specifications:
– 50mW Audio Distortion Rate
– Talk time: unlimited free calls
– Input voltage: AC220V 50Hz, output voltage: AC12V 1200mA
– Frequency response: 300 ~ 3400 HZ
– Operating voltage: DC12V
-Power consumption: static

What’s in the box
1 x Intercom set