YINGHAO 3 LED Outdoor Solar Powered Step Stairs Light, 2 Pack Exclusive 3 LED strengthened 100% new release to supersede 2 LED models, brighter and more durable. Auto-on at night and auto-off by day; 8-10 hours of illumination on a 4.5 hours' full charge. Perfect for all flat solid surfaces, especially for staircase, dock ,deck, fence post, walkway, etc. Fast & Easy Installation; NO extra power or wiring required; Solid, safe and weatherproof for years. Solar panel:Polycrystalline 2V 110MA.Battery:1pc Ni-Mh AAA 800mAh battery.Light source:3pcs LED, lifetime over 50000 hours.