Suitable for a family to use, their visitors a ring the bell in the outside, indoor telephone rang the bell, make indoor telephone calls and visitors, gently press lock button, electric control lock automatically open, don't have to run to the door to open the door.
When two line connection.
Low with the function of the lock.
The high side tone circuit, low voice intercom is clear.
Low effective intercom distance 100 meters (2 x0. 3 mm cable).
Easy installation, the user can install itself.
Cable length: effective intercom distance
100 meters(2 x0. 3 mm)
150 meters (8 mm) 2 x0.
250 meters(2 x1. 0 mm)
300 metres (2 x1. 2 mm)
* required fields
Block 4 West, SEG Technology Park, Hua Qiang Road North, Shenzhen, China