The Cateye Omni 3 are all new LED head lights with 3 powerful LED’s that provide 360 degree visibility. The new Omni Directional Technology increases safety while three modes – rapid, flashing and constant - let you decide how flashy you want to be. Two AAA batteries provide up to 150 hours of run time. CatEye exclusive FlexTight bracket and included clothing clip allow you to mount the Omni 3 virtually anywhere. Features: Omni 3 LED head lights provide 360 degree visibility Triple LED with Opticube lens technology All-round visibility 3 modes: Rapid / Flash / Constant Flextight bracket and belt clip included Specifications Dimensions 36.0 X 75.0 X 21.9mm Weight 41.6 grams (light unit and battery) Light Source White LED X3 Battery AAA alkaline battery X2 Runtime Approx 50hrs in constant, 150hrs in flashing, and 50hrs in rapid mode Mount Size φ22.2～32.0mm (FlexTight SP-12-F) Other Clothing clip included