Description: This kind of USB lamp is designed with small size and light weight, convenient for you to storage and carry, will not occupy so much space. This USB night light is suit for computer, laptop, power tank and other device, you can use it when reading, walking or doing other things. The USB lamp is heat-resistant and pressure-resistant, you can use it for a long time because the circuit board is made of durable material. The USB light is designed with universal USB port, convenient to use, and it works with 3/8 beads, meeting your daily needs. The USB light works with lower current, making sure your security, you can use it without worries. Specification: Type 1 (3LEDs Light): Material: PC. Color: cold white, warm white. Size: 5.8*1.8*0.9cm. Bead: LED5730 *3 beads. Input voltage: 3-5V. Working current: 500Ma. Lighting: 200LM. Color temperature: 3000K, 7000K. Type 2 (8LEDs Light): Material: PC. Color: cold white, warm white. Size: 10.1*1.8*0.9cm. Bead: LED5730 *8 beads. Input voltage: 3-5V. Working current: 500Ma. Lighting: 200LM. Color temperature: 3000K, 7000K. Type 3 (24LEDs Light): Material: ABS, electronic components. Color: show as pictures. Light color: white light, warm light. Size: approx. 17.8*1.8CM/7.01x0.71inch. Type 4 (1LEDs Light): Material: ABS, electronic components. Color: show as pictures. Light color: white light, warm light. Size: approx. 4.3*1.8CM/1.69x0.71inch.