【2 Charging Modes】This solar-powered pool skimmer operates continuously under sunlight via its enlarged solar panel; when using battery-only mode, the 2500mAh battery provides over 14 hours of runtime—sufficient to clean pool areas up to 200 square meters.​ 【3 Control Modes】(1) Automatic cleaning; (2) Remote control: freely adjust direction and speed; (3) Mobile app control: in addition to adjusting direction and speed, check the skimmer’s battery level in real time.​ 【Radar Detection & Intelligent Navigation】The surfaces skimmer automatically reverses when encountering dead ends and turns 90° upon touching walls. Add the 4 included "feet," and it avoids getting stuck on stairs or hoses—no more trapping the robot! Suitable for pools of any shape.​ 【Effective Design Details】(1) 4-wheel protective bumpers prevent collisions with pool walls; (2) Fine-mesh filter basket efficiently collects debris like leaves, flower petals, dust, insects, and pet hair; (3) Transparent window on the solar panel lets you easily check if the basket is full.​ 【Advanced Technology】(1) Salt and alkalit materials work in both fresh and saltwater; (2) Upgraded, enlarged solar panel accelerates solar charging; (3) UV- coating protects against sun damage; (4) Floating design powered by a high-performance brushless motor for efficiency and long service life.