Battery network camera

Does the webcam work without power?Some friends think that the network camera is connected to the power supply every day, the electricity bill is expensive, there is no need to connect the power supply of the network camera?Xiaobian recommended this battery network camera.

Battery The network camera's built-in battery supplies power to the network camera. Users only need to charge the network camera's battery regularly to ensure its long-term use.Users can also connect the webcam to a solar charging panel to power the webcam according to their needs.