Phone is the Key:
If you forgot your key when closed your front door, use your phone to unlock. See, hear and speak to people(like courier) as if you are home, never miss any visitor.It is convenient for elder or people with reduced mobility to open the front door.
About the extension wire:
The extension wires is not included in the box,but we will provide the 4 core connector for you connect the extension wires.You can use RVV4/Cat5/Cat6/RG59 wires to extend the monitor to doorbell, or monitor to monitor according to your need, maximum distance can exceed 100M.
About Wireless Connection
Please note the wireless video intercom system does not mean it doesn't need wire any cable.The indoor monitor support WIFI network (only connect with 2.4GHZ router band) or RJ45 network cable, but the outdoor doorbell is Wired, it will make the power,the video work stable.
When someone press the doorbell,all the monitors will ring, you can answer and unlock the door with each monitor. All the monitors support call transfer or internal talking (audio only) between indoor monitors.
10 Ring tones Optional
The indoor monitor intercom built-in 12 ring tones. You can set different volume level for different time of the day,you can adjust the ringing time as you need.
