Description: Product name: ring-shaped eye protection table lamp Battery capacity: 2000MAh Number of lamp beads: 18 Power input: PC5V 0.5A-2A Light color temperature: 3800k-4200k Product Watt: 8w Product material: aluminum + ABS Single weight: about 275 grams Packing specification: 15X8.5 13cm Specifications: Features: This lamp in ring shape adopting premium LEDs gives out soft and even light, no flickering 18 powerful LEDs with 3 Brightness levels for your options Featuring a sensitive touch control function for easily brightness adjustment Flexible tube, can be bended into any angle and any height that comforts you most while reading Built in rechargeable battery 2200mAh, each full charge can last up to 24hours With a non-slip clamp, an be firmly clipped on edges of a book, desk, bed or baby stroller Package Included: 1 * Small night light 1 * USB cable