1)Material: PC & Dia-cast aluminum alloy 2)Size: Dia140mm x H50mm 3)Solar cell: 2.5V 250mA 4)Storage battery: NI-MH Battery Or Capacitor 5)Lamp: 6PCS LED (available with Blue, Green, Red, Yellow or White) 6)Working Time: 110Hours 7)Waterproof grade: IP 68 8)View distance: over 800m