1、Energy-saving with low thermal release and low energy consumption 2、Easy to operate, you just need to press the on/off switch to control the bulb 3、Featured with standard USB interface, you can connect it to power bank, computer, laptop, etc 4、Portable and space-saving to carry along when you go out, make your life more convenient 5、Suitable for camping, reading, fishing at night, outdoor emergency lighting and other situation Description: This Universal E27 LED bulb adopts eco-friendly material, safe to use. It features a standard USB interface, can be connected to power bank, computer, laptop and so on. Suitable for camping, reading, fishing at night, outdoor emergency lighting. Features: Energy-saving with low thermal release and low energy consumption. Easy to operate, you just need to press the on/off switch to control the bulb. Featured with standard USB interface, you can connect it to power bank, computer, laptop, etc. Portable and space-saving to carry along when you go out, make your life more convenient. Suitable for camping, reading, fishing at night, outdoor emergency lighting and other situation. Specifications: Condition: 100% Brand New Item Type: LED Bulb Material: ABS + PC Voltage: 5V Power: 5W Lamp Beads: 10 Leds Luminous Flux: 300 lm Protection Level: IP44 Optional Light Color: Warm White, Cool White Color Temperature: 3000K (Warm White), 6500K (Cold White) Size: Approx. 12*6*6cm/ 4.72* 2.36* 2.36in USB Cable Length: Approx. 2m/ 6.56ft Weight: Approx. 124g Package Included: 1 * LED Bulb 1 * USB Cable