SPECIFICATIONS

Type: Video & Audio

Video Resolution: SD 720P

Connection Type: WireLess

Infrared: Yes

Lens Type: CMOS

Feature: Multiple Receiver

Feature: Intercom

Feature: Baby Cry Alarm

Feature: Feeding Time Reminder

Feature: Temperature Monitoring

Feature: LCD Display

Feature: Power Saver

Feature: Portable

Feature: Music

Battery Capacity: 2000mAh

Display Type: COLOR

Display Resolution: 480*320P

Number Of Channels: 2

Frequency(GHz): 2.4Ghz

Power: Rechargeable battery

Size: 3.5inch

Display Screen Size: 3.5inch

Storage Capacity: 32GB

The parent unit has a battery inside .

It works on battery or power charger .
There is no battery built in the camera .

So the camera always need to be plugged in the power outlet when it is working .