*Can be recharged anywhere and anytime without using any power source
*No battery or bulb requtred. It's a wind-up generator
*Ni-MH rechargeable batteries including 3.6v, 80mAh
*1 minute shaking for 30 minutes lasting
Four functions mode: 1 LED "on", 3 LED"on", 3 LED" twinkle", 3 LED"off"
Size: "77mm*41.5mm*41.5mm"
Wight: 110G
Package: Color box  Double blister box
Packing:  160PCS/carton, 40PCS/CTN
Carton Dimension:  43.5*26.5*63 cm, 47*28*51 CM
G. W/N. W.: 20/18kg, 7/8KG.