apartment audio intercom 1) Direct-call button, 2) Audio door phone,a 3) Audio intercom system,cctv system, voice recorder

apartment audio intercom

Technology Parameter:

Working Voltage: DC12V

Rated power: 2.5W

Operating Temperature: -20~+50

Standby power consumption: 0.7W

Talking Mode: Bi-directional talking

Direct-call style

Talking time: 45S

Indoor phone capacity: 99999 sets

audio door phone,door phone,intercom system.