Specification: ●3.5W solar panel, power 3.5W, with line 5 meters●Two bulbs, each with 3 meters of cable. Bulb parameters: 0.9W, white light 6000K-6500K, 90LM●Battery: 6.5Ah/3.2V lithium iron phosphate battery, the service life is 3-5 years.The solar panel is charged for one day (according to 5 hours of standard sunshine),1 Light bulb for 14 hours2 Bulbs for 7 hoursBattery fully charged:The battery is 4Ah/6V Lithium iron phosphate battery, with full battery, one light bulb for 30 hours,two light bulbs for 15 hours, very convenient for daily lighting.  The USB output is 5V/1000mA, which can charge your telephone and laptop. It's extremely suitable for your room and house. 1 Bulb for 26 hours2 Bulbs for 13 hoursUSB output : 5V1000mA, USB automatic output, not controlled by switch; when solar charging, there is no mobile phone charging function.Indicator: Red indicator light on: flashing when charging, always on when fully chargedThe green indicator light is on: it indicates the output, which can illuminate the bulbCircular switch: Switch for the first time: the left panel light is on, the weak block is 100LM brightnessSwitch the second time: the light on the left panel is on, and the brightness of the strong file is 200LM.Switch the third time: left panel light, flashingSwitch the fourth time: the green indicator light is on, and the bulb light can be taken outSwitch the fifth time: the left panel light is on, the brightness of the strong gear is 200LM, the green indicator light is on, and the bulb light can be taken outPackage included: 1 x Electric generator1 x Solar panel2 x LED bulbs1 x USB charging cable