CYGOLITE Hotshot– High Power 2 Watt Bike Taillight– 6 Night & Daytime Modes– User Tuneable Flash Speed– Compact Design– IP64 Water Resistant– Secured Hard Mount– USB Rechargeable– Great for Busy Roads $39.95 B005DVA57Y
Cygolite Expilion 850– 850 Lumen Bike Light– 5 Night Modes & Day Flash – Swappable Battery Stick– Water Resistant– Secure Hard Handlebar & Helmet Mount– USB Rechargeable– for Road & Mountain Bicycles $151.18 B00LXTOPNU