Cateye Rapid 3 ICS. Super bright leds, for every situations. The CatEye Rapid 3 tail safety light includes a high power center SMD LED and two 5mm LEDs for outstanding visibility. Three modes allow you to customize your visibility. The rapid mode is an all out attention grabber, using all 3 LEDs in a unique pattern guaranteed to get you noticed. The flashing mode foregoes the high power center LED to save blinding your riding buddies, while the constant mode adds a daytime safety option. The included AA battery will run the Rapid 3 for up to 80hrs and comes with the SP 11 FlexTight bracket. Compatible with the all new RM 1 Saddle Rail bracket and the clothing clip, available separately. Lighting mode memory function, compatible with RM 1 saddle rail bracket, rear rack mount and clothing clip optional.