sensors: Light sensor and and sensitive Motion sensor, save energy - Solar Powered, easy for installation - Auto identify day or night - Switch inside for saving power during shipment - Great useful lighting for your garden, yard, aisle, porch, patio, driveway etc. - Charge by free sunlight and light in dark when Specification: Solar Panel:0.55W.17% Efficiency Li-Ion Battery:3.7V 1200Mah LED Power:0.5W/PC × 20 Pcs Night Sensor:〈10Lux Motion angle and distance :120°,5M Delay Time:15s Switch:OFF/AUTO