It is powered by solar. In the daytime, the solar panel absorbs solar light to generate power and transmits power to the rechargeable Lithium-ion batteries (6 pcs) which are installed inside of the solar panel, the batteries store power, and offer power to camera to make it work.
It is a low power consumption camera. It only works when detect motion, other time keeps standby mode. In this way, it can save power as much as possible. Normally, after batteries are fully charged, the standby time can be 6 months(180 days), also it depends on human traffic. It sends alarm message timely to our mobile when detect motion to remind us. If the phone does not receive the push message, please check if the phone permission is turned on. It max supports 128G micro SD card, can save video of 315 hours.