Bright Ideas 137 Bike brake and blinker light This bike brake and blinker light and horn has 8 horn/siren sounds. It also has 3 amber LED lights on each side, functioning as a blinker, and 3 Red LED lights in the center serving as a brake light. 1 LED in the center serves as ataillighteven when the brake is not depressed. Takes 2 AA batteries, included. Fulfilled by UnbeatableSale Inc. UnbeatableSale Inc.