Specifications:Solar power: under the sunlight (20，000LUX)， it can convert into electrical energy over 5.5V/350mahDynamo power: 120-140 revolution/minute， it can convert into electrical energy over 5.5V/350mahCamping light: 8LED (15000MCD-18000MCD/LED)FM sensitivity: over 25dBMicro USB IN 5VUSB OUT 5VDimensions: 8.50*8.50*20.00cm (L*W*H)Color: WhiteGood tool when you have camping outdoors， making your camping more convenient and joyful.Four ways to charge the power1. Dynamo Power2. Solar Power3. Dry Battery4. Micro USB in 5VNotice:Please turn the hand cranks over 120 revolutions to ensure Li-battery in good condition and make the product feature is turned off after each use.When hand cranking to charge， please make sure all the function is turned off， especially charge for the mobile phone or others.Please take out the battery when unused.Attention: if you have questions， you can find help in the user manual or contact us freely. Thanks for your understanding. Package includes:1x Solar Crank LED Camping Lantern1x USB Cable1x User Manual