Feature 14 Color Temp Modes: This clip on book light is designed with 4 color temp modes and 12 dimming modes, which allows you to adjust according to your needs. 2USB Charging: This clip on light for book with 400mAh battery supports USB charging, and can be connected with power bank, laptop and charging adapter, etc. 3Uniform Lights: This book light is equipped with 3 scientifically designed LED beads so that light can be distributed evenly on the reading page, it won't strain your eyes and your eyes even with prolonged use. 4Wide Application: This book reading light with clip is small, light and portable, suitable for family, bedroom, office, dormitory, travel and camping, etc. 5Charging Indicator: This clip on light possesses charging indicator, red indicator indicates it is being charged, green indicator means that the book light is fully charged.Item Type: Clip On Reading LightMaterial: ABSBattery Capacity: 400mAh(Inbuilt Battery Included)Battery Type: Polymer Lithium BatteryProduct Size: Approx. 10.5 x 6 x 3.3 x 1cm / 4.1 x 2.4 x 1.3 x 0.4in ( Manual Measurement, Slight Error May Exist ) .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x ClipOnReadingLight1 x User Manual