IC controlled 6 modes multi-purpose safety light with 6 light colors: red, yellow, white, green, blue. There are 5 LEDs inside this multipurpose safety light. Made of solid plastic with waterproof material. Has brighter wide beam and be seen up to 800 meters. It is a power saving and economical LED safety light. Long run time up to 150 hours, It fits all bicycles as the back of light for safety. Two AAA batteries required for power. It has a belt clip on the back of light and quick release bracket. Easy to install according to installation guide pictures, no tool required.