E-Bro Solar Powered Outdoor Garden 4 LED Wall Stairway Landscape Fence Light Lamp(Cool White) Solar Panel: 0.26W, 17% efficiency. Color: Cool White Light, 4 LED Solar charging time: 8Hrs, auto/off switch, auto identify day or night. Solar panel serving more than 5 years Build-in Li-ion battery: 1.2V 900mA, span life: 500 circles.