No Need Power Cord & Powered by Solar: You don't need to install any power socket for the camera. The security camera was been charged through the solar panel, it will work for about 30 days after fully charged. No Monthly Fee & Local Recording: The solar camera supports SD card storage (up to 128Gb, not included), you don't need to pay any fee for storage. All recording can be stored for about 30 days, so you wont missed any event.