Dimming: 10 brightness levels; 3 color modes (warm white/natural white/cool white) Material: aluminum/iron/surface paint treatment Rated power: 12W (60x0.2W/LED model) Voltage: DC 5V 1A/2A (5V 1A, 5V 2A mobile phone charger can be used for power supply, please use 5V 2A adapter for power supply, the power and brightness are higher, it is recommended to use it.) USB cable length: about 150cm Light source: LED lampshade material: metal Switch: light contact Style: simple and modern Model: long arm Fixing type: screw clamp Voltage: 5VDC 1A/2A Features: 1. The metal clip can be fixed on any flat surface less than 2.56 inches/6.5 cm (width) thick. Save space and easily attach to desks and workstations. 2. The lamp head can be adjusted up and down by 220; and 360;. Telescopic arm 22cm+length 22cm, adjustable 180;/135;. 3. The color temperature of the LED light can be adjusted in 3 levels, and the brightness can be adjusted in 10 levels, which can meet various working environments. 4. Suitable for reading work/computer maps/jewelry making/craft enthusiasts/soldering rework/skin beauty, and can be used universally. Package includes: 1 x Desk Lamp with Clip 1 x USB Cable