Anjielo apartment intercom system 7-inch video doorbell intercom kit aluminum alloy camera can be equipped with 2/3/4 intercom system

4-wire system connection. Use a 4-core cable to connect the outdoor camera and monitor.

The maximum distance can reach 100 meters. Different distances and cables of different diameters are used. Please check the following to select the corresponding cable. (We will send you a 5-meter cable for testing, longer cable, you need to buy it yourself or contact us when installing)

Hands-free Two-way Intercom and Indoor Monitoring
When the visitor rings the bell, the monitor will be activated and display the image outside. Press the answer button, then you can talk to the outside world, press the answer button again to turn it off. If no button is pressed or no one answers the call after the call, the monitor will automatically turn off after the 60s.

• Multiple Ringtones-Switch freely
The 25 polyphonic ringtones can be switched freely, which is elegant and beautiful. The ringtone and volume can be adjusted to meet your original needs. No longer have to worry about not being able to hear the sound hearing the sound too loud.

• Infrared Night Vision, allowing you to see color images at night
  This video doorbell uses a brilliant design. The outdoor unit has a built-in smart infrared sensor, which can control the LED according to the light intensity. At night or in low light conditions, the light will automatically turn on, allowing you to still see the image at night. During the day, the lights will not turn on.
• One-key unlocking makes the home safer
  The door phone can be used with a 12V electric lock, so you can connect the electric lock to the system. With this function, you don't need to go to the door to unlock your guests, you just need to press the unlock button on the display. It will bring great convenience to you and your family.