China Good Quality Counter Interphone 2-Way Window Intercom System, Find details and Price about China Counter Interphone, Intercom System from Good Quality Counter Interphone 2-Way Window Intercom System
Power supply | DC 220/110V |
Working voltage | DC 14V |
Microphone sensitivity | -42 ± 2dB |
Host power | 5W + 1W |
Maximum working current | 600mA |
Frequency response | 80Hz-14KHz |