Thank you for viewing our products! (^-^) This is a solar light that doesn't require batteries or charging. No wiring is needed, so you can use it simply by installing it. With IP65 water resistance, you can safely install it outdoors even in bad weather such as rain or snow. You can attach it to a wall using the included screws, fix it with tape, or simply place it indoors. Three Sensor Modes: Standby Mode: Off Sensor Mode: No light when no movement is detected. When movement is detected, it lights up at high brightness. Dim Mode: Always dimly lit when no movement is detected. When movement is detected, it lights up at high brightness. Always-On Mode: Automatically lights up when it gets dark. * To charge with sunlight, install it in a location where it receives plenty of sunlight for better charging efficiency. *Please Note* This product is an imported item. There may be some imperfections, scratches, or dirt, and a unique foreign smell. If you are looking for perfect quality like a Japanese-made product, please refrain from purchasing. Regarding Colors and Sizes Depending on the shooting environment and screen resolution, the material feel and colors may differ slightly from the photos. We inspect the items before shipping, but if there is an initial defect, please contact us "before" leaving a review. We will promptly respond with a return or exchange. To offer the product at a lower price, it may be folded small, and the outer box may not be included. Delivery by regular mail may take about 7 days. We will ship with simple packaging. Thank you for your understanding. (^-^)