Extra bright solar light sets are easy-to-install, no wiring required. Automatically turns On at night with bright white LED technology. Recharges by sunlight. Stainless steel with glass cover. The spike is made of aluminum die-cast. Toggle switch for choice of 30 lumens for 4 hours or 19 lumens for 6 hours (full charge). 2-pieces per set. 4.5V 95mA solar panel, 3.7V 550mA Li-Ion battery, .5W 1-piece white LED.