1)Long distance reach to 30m in the open place 2)Pictures and video more HD,Long standby time (configuration 2 pcs 2100MA battery) 3)The penetrating power more stronger than other similar door viewer, video interphone could be available in any room on the third floor 4) Automatic infrared detection of induction, before the visitor presses doorbell,which automatically taking photo and storing in the setting time; 5)The outdoor unit could connect the power from 5v to 16v, not only connected with the electric lock,but also connected with magnetic lock.

• 2.4G HZ wireless transmission visual doorbell

2.4G HZ wireless transmission visual doorbellKUFENG