About Batteries and Solar:This camera uses advanced low-power technology. If no motion is detected, the camera will go into sleep mode. After fully charged, if the camera contains a 20000mah battery,It can be woken up 6,000 times by detecting human movement, working for 15 seconds each time, and charged by solar energy. When the sun is full, the supplemented electricity can be used for 300 times of wake-up per hour. version:1.Need to use network to connect the device. Only supports 2.4, does not support 5G . 4G SIM card is not supported.2. There is no need to connect the power cord, and there is no need to arrange the network cable.3.IP security solar outdoor camera is powered by solar panel, built-in battery to save power, energy saving and environmental protection, can be installed in any place (requires network), such as garden, doorstep, garage, etc. 4G version:1.Our camera only uses 4G SIM card and does not support connecting to 3G/GSM/home . No need for network LAN cable, no need to set up ,no need to connect power wires.2. The camera is mainly used in an environment without a network, without power supply, but with a SIM cardmobile signal, and in a sunny place. You need to put the SIM card into the camera and connect to the network through the SIM card.3. The solar camera does not support connecting to the router to access the Internet.