Description: With fashionable frog design,this small frog lamp can be installed on the handlebars, carmats risers, front fork, rear fork, knapsack, helmets, etc.,especially designed for friends which need night riding. Its shell material is high-elasticity silicone, elastic and durable. The lamp is not only decorative, but also very practical to ensure the safety of yourself and others.Mounted on a helmet, bike handlebars and other locations , it can serve as a warning effect if you turn on the lights at night, so that others can see from very far away in order to prevent accidents. This product should be two 2032 button battery-powered, and can be used for a long time. Besides,its installation or removal without any tools ONlY needs 3 seconds. Features: Six generations of the frog lamp Mountain bike warning light Bicycle tail lights. High-elasticity waterproof silicone material, stronger and durable. cold and heat resistant silicone material, whether -40 degrees or +220 degrees centigrade. 2 highlight LED bulbs,switch design in the middle of the lamp. The light can be lasted for 30 hours. Blinking 130 hour duration. Double-hung buckle design, free hanging. One-Touch switch design, easy to operate. Quick release design - installation or removal without any tools ONLY needs 3 seconds to finish. Anti-leaching water resistant design - a rainy day is not afraid of flooding. multifunction fixation - can be mounted on the handlebar, seat risers, front fork, seat stay,rear knapsack, helmet .. use. Fixed to the front of the helmet - can be used as warning headlamps and for browsing the map during night riding. fixed to the rear of the helmet - can be used as warning taillights. Three switch models: quick flashing,slow flashing,steady on, off(according to your actual needs)