Home Intercom System AC or DC

Product Description

• Voltage: 220V AC or DC6V(8x AA battery) (4 in each handset) not include the battery
• Output sensitivity: <60mV / frequency 1000Hz
• Frequency response: ±3dB(300Hz-3400Hz)
• Noise voltage: <10mV
• Ring sound level: >70dB(AT 0.5m)
• Quiescent current: <5uA
• Intercom working current: <100mA
• Color: white
• Talk time: unlimited, free calls
• Power Source: Battery or AC Power
• Range of application: Family, School, Restaurant, Office and so on
• Excellent consumer side of the tone circuit, intercom voice clarity