
Description:
- When you want to have a talk with the other, press down the push button and bell of his or her handset will ring no matter whether you take up your handset or not.
- While talking, please speak into the micro phone. When your talk is over, put back the handset, or else the talkback set is still in working status and will continue to consume power.
- It is convenient to connect the talkbacks by means of twin conductor. While connecting, please pay attention to the color of the two different conductors.
- The effective talking distance is no more than 656 feet (200 meters), and the wire resistance is less than 60 ohms.
- The ringtone volume can be adjusted.
Feature:
- Two-way intercom.
- The talking distance is no more than 656 feet (200 meters) when it is connected by RVV2(2 PIN) cable. (3.3ft cable comes with the parcel)
- Connected by means of twin conductor.
- Easy installation and simple operation.
- Energy-saving, the standby current is less than 5uA.
- There is a connection cable between this doorphone, and they need to be wired to each other to make sure it could work well.

Package:
- 1 Pair Doorphone (Battery is not included)
- 1 x Connection Wire (Cable length: 3.3ft)
Note:
- Without Unlock function
Specifications:
- Battery/Power: DC6V (AA/LR6 1.5V*4) / 110VAC 50/60Hz
- Standby Current:<5uA
- Intercome Working Current:<100mA
- Ringtone Volume: = 70dB (30cm)
- Talking Distance: = 656ft (200m)
- Working Temperature: 14?~122? (-10?~50?)
Requirements of Connection Cable
- 0-98ft (0~30m): RVV2x0.3 square millimeters
- 98~328ft (30~100m): RVV2x0.5 square millimeters
- 328~492ft (100~150m): RVV2x0.75 square millimeters
- 492~656ft (150~200m): RVV2x1.0 square millimeters

Description:
- When you want to have a talk with the other, press down the push button and bell of his or her handset will ring no matter whether you take up your handset or not.
- While talking, please speak into the micro phone. When your talk is over, put back the handset, or else the talkback set is still in working status and will continue to consume power.
- It is convenient to connect the talkbacks by means of twin conductor. While connecting, please pay attention to the color of the two different conductors.
- The effective talking distance is no more than 656 feet (200 meters), and the wire resistance is less than 60 ohms.
- The ringtone volume can be adjusted.
Feature:
- Two-way intercom.
- The talking distance is no more than 656 feet (200 meters) when it is connected by RVV2(2 PIN) cable. (3.3ft cable comes with the parcel)
- Connected by means of twin conductor.
- Easy installation and simple operation.
- Energy-saving, the standby current is less than 5uA.
- There is a connection cable between this doorphone, and they need to be wired to each other to make sure it could work well.

Package:
- 1 Pair Doorphone (Battery is not included)
- 1 x Connection Wire (Cable length: 3.3ft)
Note:
- Without Unlock function
Specifications:
- Battery/Power: DC6V (AA/LR6 1.5V*4) / 110VAC 50/60Hz
- Standby Current:<5uA
- Intercome Working Current:<100mA
- Ringtone Volume: = 70dB (30cm)
- Talking Distance: = 656ft (200m)
- Working Temperature: 14?~122? (-10?~50?)
Requirements of Connection Cable
- 0-98ft (0~30m): RVV2x0.3 square millimeters
- 98~328ft (30~100m): RVV2x0.5 square millimeters
- 328~492ft (100~150m): RVV2x0.75 square millimeters
- 492~656ft (150~200m): RVV2x1.0 square millimeters









