5.5V/15mA SOLAR RECHARGE DESIGN,THE PRODUCT WITH DC SOCKET,CAN BE RECHARGED BY USB CABLE OR NOKIA CHARGER. 5LED SOLAR HEADLIGHTMATERIALS:ABSPRODUCTION SIZE:67x52x46mmWEIGHT:65GBATTERY:LI-ION 550MAH TECHINCAL DATA:5.5v/90MAH MONOCRYSALLINE STALLINE,UNDER SUNSHINE,6HOUSR WILL BE FULL,CAN LAST LIGHTING ABOUT 7-8HOURS.HAVE STRONG LIGHT,LOW LIGHT,FLASH THREE FUNCTION. 3LED SOLAR FLASHLIGHT