With high brightness LED light beads and designed with three light modes, this frog light makes night riding safer, in addition, it has strong toughness and strong ductility, making it solid and durable. Waterproof design of this frog light makes it not subject to rain, in addition, it is easy to disassemble, making it possible to replace the battery, and easy to install, suitable for bicycle handlebars, seatpost and the rear of the car. It is made of silicone. The length of this bike light is 4cm, the width is 4.8cm and the height is 4.8cm. It is a great accessory for the bicycle. Item Name: Bike Light Material: Silicone Features: Strong Toughness, High Brightness, Waterproof Power Supply: 2 x AG10 Battery Light Mode: Fast Flashing, Slow Flashing, Always Bright Size Details: L: 4cm/1.57", W: 4.8cm/1.89", H: 4.8cm/1.89"(Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Bike Light