Lemonbest&reg; Solar Power 3 LEDs Automatic Sensor Buried Light Outdoor Fence Lamp Garden Yard Path Pool Light Under Ground Decking (White) Material: Stainless Steel + ABS Plastic; Mirror with compressive 5 mm Independent power supply, no wiring, easy to install with Simple assembly, Built for outdoor (IP65) Recharged by solar panels under sun light; High efficiency solar panels: 2V 100mA; Automatic sensor activates at dusk Lights up to (8-12) hours if fully charged (6-8) hours OFF/ON Switch 3 Piranha Bright white LEDs, Cool White: 6000-6500K; Warm White: 2800K The solar panels convert sunlight into electricity during day time and recharge the battery(in direct sunlight). At night, the light turns on automatically.