Use Tips: Compatible with the first time to use,it should be charged Compatible with more than 3h.Touch the start key and then touch lightly in proper order to adjust the three different brightness and turn off.After full charge: One gear brightness can be use Compatible with about 15h.,three gears Compatible with about 4h.Notes:1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures.2. Please allow 1-3mm measuring deviation due to manual measurement.Weight: 330gIllumination: 350LuxColor temperature: 11000-13000kRated voltage: DC 3.7VRated power: 3WBattery capacity: 1200mAhCharging time: About 3 hourscolour:WhiteMaterial:ABSsize:13*14*41cmPackage Contents:1*Lotus pen holder lampOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.If the quality of the product is not good, please contact us directly. If you have any questions or questions, please feel free to contact us.