1. Need 5V Power Supply,have a battery inside the doorbell to use,plug and play

2. Only Support 2.4G WiFi connection-Easy,and the WiFi connection distance is recommended not to exceed 6 meters.

3. 3MP/2MP Real HD,Wide-angle lens: Vertical140°，Horizontal 100 °

4.Day and night mode automatic switching, whether day or night, the image is clearly visible,for your safety and family security.

5. Support Siren Alarm in doorbell,32 ringtones to choose from and 3-step volume control (0~85dB)

6. Free Cloud Storage,not support sd card storage

7.Two-way audio,you could hear and talk to someone who is in front of the doorbell through phone app freely.

8. PIR motion detection,when someone hovers at the door, immediately alerts push notifications to the app.

9.Sound alarm &voice control function, you can set a custom reply language through the app.If a thief removes the doorbell, you can set in the app and an alarm will sound immediately.

10.Remote Control APP:cam720

Reminders:

1. The button cannot be placed on an iron door because it will interfere with the signal.

2. Works during heavy rainfall. However, we recommend buying a waterproof cover for long term use.