Features 1、Made of quality plastic material, the shell is sturdy and durable. 2、Adopts premium COB light beads, bright with long service life. 3、Excellent IPX6 waterproof ensures safety of battery compartment, switch on the back is sensitive and waterproof. 4、Supports 600mAh lithium battery, very convenient to use and energy-saving. 5、Make your bike highly visible so that it can guarantee your cycling safety. Features: Made of quality plastic material, the shell is sturdy and durable. Adopts premium COB light beads, bright with long service life. Excellent IPX6 waterproof ensures safety of battery compartment, switch on the back is sensitive and waterproof. Supports 600mAh lithium battery, very convenient to use and energy-saving. Make your bike highly visible so that it can guarantee your cycling safety. Adjustable and suitable for most bikes, easy to install. Specification: Material: ABS Base + PC Cover Color: Shown as picture Light Color Options: White, Red, Red&Blue, Red&White, Red & Blue & Pink Light Bead Type: COB MAX. Luminous Flux: 120lm Battery: Build-in 3.7V 600mAh Lithium Battery (Included) Powered by: USB Cable Waterproof Grade: IPX6 Size: Approx. 7.2 x 2.1 x 2.2cm / 2.8 x 0.8 x 0.9inch Weight: Approx. 52g Packing List: 1 x Bike Safety Light 1 x Mount 1 x USB Cable Package List