How It Works Confirm whether switch is on or not. Because it's light sensor, it can't work in the daytime. It only functions in darkness. Confirm whether it's being continuously used in a long-term situation, and recharge it in a timely manner before it's used again. Make sure people are moving within the sensing range. Make sure the solar sensor light is being installed within the sensing range. Confirm the installation direction is correct (the solar panel should be facing up). Confirm no objects are blocking it and the solar panel can receive sunlight. Features It can be mounted on the wall easily and quickly Integrated design for efficient light control Auto delay and restoration in the dark It's waterproof, heatproof, and durable It's energy-saving and environmentally friendly Over 8 hours operating time after a one-day charge Specifications: Emitted Color: White LED Quantity: 100pcs SMD2835 IP Rate: IP65 Mode: Human body induction + Light control Solar Panel: 0.55W;17% efficiency Lithium-Ion Battery: 3.7V/800mAh Charge Time: 8 hours Usage Time: 4-8 hours Applications: Yard, Garden, Aisle, Porch, Patio, Driveway, etc. Warranty: 1 year Package Includes: 1 x Outdoor LED Solar Light 1 x Expansion Pipe 1 x Screws 1 x User Manual