Description: Compact in size, light weight, rain waterproof design Casing made of 100% new PC ABS material 800 mAh lithium battery Equipped with gel strap, wide range of applications Easy installation without involving any tools Specifications: Light source: LED chip COB Output: 200Lumen Color: red/whtie, Beam angle: 120 chips, 240 diffuser Charge: 5 V/1A (about 2 hours to full charge) Burning time: Please refer to the below chart Ingress protection: IPX5, 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 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.