Specification: Material: Aluminum Alloy & ABS Plastic Quantity of LED Beads: 80 Power Supply: USB Power Rated Power: 8W Input Voltage: 100-240V/AC 50/60Hz Working Voltage: DC5V /2A LED Color: Warm White, Pure White, Cool White Color Temp: 2800-3200K, 4000-4500K, 6000-6500K Mode: Relaxing, Reading or Study, Working Light Flux: 640lm, 760lm, 800lm LED Bar Dimension (L x W x T): 28 x 2 x 1.5cm Flexible Arm Dimension (L x D): 38 x 1.1cm Clamp Dimension (L x W x H): 11 x 7.5 x 6cm Application: Bedroom, Study Room, Studio, Office, Dormitory, Kitchen etc. Features: 3 Color modes in 1 lamp. Warm white for relaxing and sleeping, daylight for reading and study, cool white for working LED eye protection, energy saving, no flicker, no dazzling 360 Rotation Led Light, the gooseneck desk light can be 360 rotation in all directions for use anywhere Metal Clamp on Light, Using high-quality aluminum alloy material, nano anti-scratch coating USB plug and portable, easy to get powered from computer USB, power bank, adaptors, etc. Life time lasts for 50000 hours Memory function for mode setting 8W clip reading lamp is equal to 40W traditional lamp Strong metal clamp opens up to 2.36 inches and with Non-slip pads can be used perfectly with music stands, pianos, office tables, computer desks and headboards Perfect for working as office lamps, reading lamps and study lamp for children, task lamp for architects and artist and bedside table lamps Package : 1x Clip ON LED Table Lamp