Second-line unlocking doorbell Doorphone (2 type flat kit).
1.Two-cable connection.
2.with unlocking function.
3.Aluminum alloy outdoor station with the anti-oxidation and wear-resistant surface treatment, durable using.
4.Outdoor station can display the name or number of household, with LED light instruction.
5.There have excellent circuit to eliminate the side noise, intercom voice clarity.
6. Effective distance: more than 100 meters intercom (2x0.75mm).
7.Easy installation, the user can self-install it.

Scope

Villa,Family,Office,Authority units Etc.