H8-2T 1000m Long Range 38 Ringtones 2 Way Wireless Intercom Doorbell for Home or Hospital or Hotel - WhiteandSilver •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 or 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: 116x56x18mm •Charging stand size: 70x56x29mm Package included: •2 x Intercom Doorbell •2 x Charger Base •2 x Charging Cable •1 x English User ManualH8-2T 1000m Long Range 38 Ring SZRH A-F