[Rechargerable Battery/Solar Power] The Rechargerable Internal batteryeven without sunlight, it can be used for 50 days,and it equipped with a solar panel, It can work for 365 days with just 2 hours of sunlight per day, powering 24 hours of use. (Work with 2.4GHz Wifi only) [2K QHD Resolution & Full Color Night Vision] 2K Pixel (2304*1296 ) It features a wide-angle field of view (110°/F1.6and boasts two night vision modes:full-color and infrared, allowing for a maximum monitoring range of 33 feet.