3 suction cups hold the window light on the window or any smooth surface. Can also be hung on a hook. Charges in 3 to 4 hours. Long-lasting, up to 8 hours of light on a single charge. It has two light modes, bright white light for helping you find your way in the dark, and a low power red night light. This light is so smart it can be set to turn on automatically when the sun goes down. Strong polycarbonate body and legs. Marine Grade - waterproof - totally sealed, it even floats! Solar powered rechargeable, LED light never needs replacing. Put one in the Bathroom, Kitchen, Bedroom, (especially the kids bedrooms), and even one in the car and boat! Safe for children and pets!