Features: Solar powered and energy saving PIR sensor and Light sensor, detecting light brightness and human motion automatically Turn on during the night or at the dark area and turn off during the daytime or at the bright area automatically Over 12 hours lighting time after one-day sun charge Easy to install it on the wall, trees, metal, and glass Mode: human induction + light control During the night time or at the dark area, it will auto turn on light when it sensing human movement, and it delays 10-20 s, when people walk out of it's sensing range, then it will turn off. Specifications: - Housing material: ABS - Solar panel: 0.55W - Battery: 1 x 18650 lithium-ion battery (included) - LED source: 20pcs cool white lights - Light sensor: less than 10Lux - delay time : 10 - 20s - Color temperature: 5000-5500K - Lumen: 100lm/W - Sensor angle: 120 degree - Sensor distance: 3 - 4m - Waterproof grade: IP45