This handheld electric engraver pen set is made of , which can withstand use. Features the aluminum alloy and ABS material, which has high durability, not easy to deform. Fine workmanship, ensures practicality. Features -Color: White -Material: aluminum alloy, ABS -Size: 53.00X11.50X7.50cm/20.83X4.52X2.95in - USB powered, power bank, power strip, adapter, desktop computer, laptop, and etc. - Ring shape lampshade can increase lighting area, wide covering area. - No flickering design, lower power consumption, caring for your eyes. - Flexible gooseneck design, you can adjust the lighting angle accordingly. - Mainly used for reading clip lamp, desk, bedside, counter, work lighting, nail lamp, lamp, and etc. Specification mode: button type Control method: dimming and color temperature Power supply mode: USB interface Number of lamp beads: 48 x 0.2W Line length: 2m (exposed 1.6m) Rated power: below 7W Voltage and current: USB DC 5V 1A Light source type: LED2835 lamp beads Light color: three color temperature (white light, natural light, warm light) Hose specification: length 400mm Diameter of light ring: 9cm Package list: 1 x clip-on light