2 Wire door phone system this door phone system allows you to talk to visitors before opening the door. There is also an additional function to allow the opening of an electronic lock. Ideal for use in domestic and business applications and helpful for the elderly or less mobile. Intercom with sharp clear audio 16 different ringer options weatherproof outdoor unit ip44 rated with a backlit nameplate maximum distance of 100m using 2 x 0.75Mm cable supplied with adaptor and wall mount brackets note: cable not supplied power supply 12vac, 1000ma dimensions outdoor unit 160 x 113 x 68mm dimensions indoor unit 210 x 85 x 60mm weight outdoor unit 350g weight indoor unit 340g
2 Wire door phone system this door phone system allows you to talk to visitors before opening the door. There is also an additional function
