CygoLite Dash Pro 600 and Hotshot Combo Light SetBoth Dash Pro 600 and Hotrod 50 feature DayLightning and SteadyPulse modes as well as Enhanced Cycling Optics that cast an extra wide and long range beam compared to conventional lighting opticsWater-resistant design for all riding conditionsBuilt-in battery low and charging indicatorsBattery: 1, 112852 Lithium Polymer, 3.7(V), 6.29(Wh), 28g, 1, 801454 Lithium Polymer, 3.7(V), 2.15(Wh), 11g, IncludedItem SpecificationsBatteryLi IonLumens Front600Lumens Rear50Recharge TypeUSBWeight95/29 CygoLite Dash Pro 600 and Hotshot Combo Headlight & Taillight Set UPC: 745025065206