Description: Switch at the top. Charging port on the back. Can be used as both front and rear light. Daily waterproof, can splash proof, but cannot be immersed in water. This product is used for bicycle front and rear light, easy to install, easy to use. Can adjust aperture according to bicycle's stand size. The lamp has a variety of light-emitting modes, damp proof and splash proof (but cannot be put in the rain or water for a long time). Material: PC Mode: Six flash modes Charging interface: USB Light body color: black transparent color Light color: white, red, red and blue, red and white (optional) Specifications: Switch at the top Easy to install Charging port on the back Can be used as both front and rear light Daily waterproof Has a variety of light-emitting modes Package Included: 1 x Bicycle front or rear light 1 x USB Charging Cable 1 x Light Mount 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 message before you give the bad feedback, if the products have some problems. Thanks for your understandings.