• Indoor Intercom: The intercom machine can be used as intercomunicador for two way talk
• Dual Channels: Dual channels A and B support adjusting the corresponding call channel. Press to talk
• Long Battery Life: The 2 way voice intercom has built in 1800mAh large capacity battery, adopts intelligent power saving chip, with long battery life
• Long Range: The transmission distance of the voice intercom device can achieve 1000m in open area and 20 to 50m through wall, highly practical
• Wide Application: This clear sound quality intercom system is suitable for use in different application scenarios, such as hospitals, hotels, factories, teahouses, etc.
• Power key: 0 gear--off, A gear--A frequency, B gear- -B frequency. If interference occurs during a call, switch the outdoor unit and indoor unit to A or B at the same time

Specifications:

• Battery: 1800mAh, 3.7V polymer lithium battery
• Power supply: DC5V/1A
• Working temperature: -20～55℃
• Transmission distance: about 1000 meters in the open, 20-100 meters through wall
• Working frequency: B frequency: 462MHz, A frequency: 434MHz
• Working time: about 1 week after full charge
• Charging time: about 5 hours to fully charge
• Music ringtones: 38 ringtones
• Ringtone volume: 3 levels of adjustment (adjust the volume button when in standby mode)
• Call volume: 3 levels of call volume adjustment (adjust the volume button when the call is working)
• Product size: 116*56*18mm
• Charging stand size: 70*56*29mm