Description:Material: Wood, Metal, Electronics; Light Color: Colorful; Rated Voltage: DC 5V; Light Area Diameter: 90mm / 3.5"; Total Size: 100mmx100mmx20mm / 4" x 4" x 0.8"; Package Content: 1 Pcs x Wooden LED Light BaseAdvantages: 1.LED high brightness lamp beads, energy saving, low power consumption, durable, and long service life. 2. USB powered, easy to connect, and convenient to use in daily. 3. The switch on the USB cable can help you control the LED light better.Instruction: Easy to use, just connect to a suitable voltage USB interface and then open the switch. Suitable for USB ports of computers, power strips, mobile power sources, 5v USB wall chargers, etc.