Description: Built with super bright LED COB Compact in size, light weight, rain waterproof design Casing made of 100% new PC ABS material 650 mAH lithium battery Equipped with gel strap, wide range of applications Easy installation without involving any tools Specifications: Light source: LED chip COB Output: 120 lm Color: Red, white, red/blue, red/white, red/blue/pink, 7-color Beam angle: 120° chips, 240° diffuser Battery: Lithium battery 650 mAH (volume cheating condemned) Charge: 5 V/1A max (about 2 hours to full charge) Burning time: Please refer to the below chart Ingre protection: IPX6, rain waterproof (do not use in water) Material: PC ABS plastic casing, electronic devices Size: 71 x 22 x 21 mm (approx.) Net weight: 35 grams (approx.) Specifications: Built with super bright LED COB Compact in size, light weight, rain waterproof design Casing made of 100% new PC ABS material 650 mAH lithium battery Equipped with gel strap, wide range of applications Easy installation without involving any tools Package Included: 1*Bicycle taillights 1*Data line Notes: Due to the difference between different monitors, the pictures may not reflect the actual color of the item. Compare the detail sizes with yours, please allow 1-3cm error, due to manual measurement. Please leaving a meage before you give the bad feedback, if the products have some problems. Thanks for your understandings