I、Function features:

Digital wireless visuable doorbell

Tech-specification

1.Wireless intercom/self-monitoring/unlocking/calling

2.the non-obstacle remote control distance is 150-180m

3.Color display screen in TFT 2.4 inch

4.2.4G launch frequency

5.The power below 20dBm

6.rechargeable 2400mAh Li-ion batteries

7. One  indoor phone can link 8 outdoor phones

8. Crust is made by ABS,beautiful appearance

Ⅱpay attention to matters:

1.please read the installation method Manual

2.the door phone-no rain, light

3.should be pulled out of indoor antenna, the reorientation can affect speaking voice