Product description: Material: ABS Battery capacity: 1000Mah Size: 30.6 x 8.2 x 4.2 cm Number of LEDs: 5 Product power: 1W Package includes: 1 * LED reading clip light 3 LEDs with 3 brightness modes The reading lamp has 3 levels of brightness (3 white LED lights, 3 warm LED lights and 6 mixed LED lights) which are suitable for working, sleeping and reading (just click the upper switch). No flickering light and eye protection LED light sources Natural and non-flickering light can protect your eyes from light damage. You can use the setting that works best for your eyes. USB charger with LED charging indicator Our lamp is. A rechargeable lithium battery is built-in and can be charged at any time with the supplied USB cable. It's small and easy to carry. One charge is enough for 6-8 hours. Light and portable multifunctional clamp The clamp is adjustable up to 4 cm. It is ideal for books, computers, beds, desks, etc. The reading lamp weighs 45g and is therefore also suitable for camping or traveling.