Adopt 5 LED lamp chips, built-in 1800MAH lithium battery charging, high brightness, energy saving, long service time. Surface frosted treatment, anti scratch. The shell made of quality ABS material, high strength, not easy to break, durable. Six lighting modes, can be switched according to your needs. White light source, can illuminate an effective area of 15m3 above. Feature: 2. Six lighting modes, can be switched according to your needs. 3. The quality ABS shell, high strength, not easy to break, durable. 4. Surface frosted treatment, anti-scratch. 5. White light source, can illuminate an effective area of 15 m3 above. Spec: Shell Material: ABS Plastic Power: USB Rechargeable Battery Tail Light Light Chip: 3W LED Switch (light mode): 3 light modes, strong light, low light, twinkle Battery: Built-in 1800mAh lithium battery Battery capacity: 1800mAh Charging cable: USB cable Input (charging port): USB (DC5V/1A) Output (power port): USB (DC5V/1A) Luminous flux: 300lm LED power: 3W Distance : about 15 meters Light color: warm white Switch: upper pressure switch Product size (total height x bottom diameter): approx. 8x7cm/3.1x2.8in Package List: 1x USB cable