Choose these compact and bright USB rechargeable LED lights to be seen on your commute. The Cast TL 30 provide over 180-degree visibility and are super simple to use and install.Designed with 16 COB LEDS for over 180-degrees of visibilityDelivers 2 steady bean modes and 3 flash modes for variable use and run timeFeatures power and recharge indicator light that displays current power or recharge status (Green 100~70% ; Red 30~0%)IPX4 water ratingFeatures micro-USB charging port, with micro-USB cable includedIncludes rubber O-ring and different mounting shims compatible with a variety of seat tubes for tool-free installationANSI CertifiedRecommended for all momentum models