Product Details:

1. Hands free two-way talk back automaticity
2. Fine circuit thoroughly, avoid echo and squeal problem.
3. Adopt high-powered mic,elegant appearance,voice is lifelike, clear
4. Volume of master station and substation can be adjusted separately
5. Easy installation ,only one wire for connecting master station and substation
6. Working voltage:DC12V Working current:300mA Environment:- 10℃~60℃
7. Master dimension:122×105×38mm