Blazingly bright yet ultra-compact Seca 1800 is the world‚& Auml;ö√& Ntilde;√¥s most powerful light engineered for e-Bike integration. Optimal for gravel paths & dark country roads where max illumination & safety are intertwined Seca is the next generation solution for e-Bike lighting. 1800 Lumen output certified to the FL-1 Standard Engineered with the best CREE LED & enhanced firmware for premium performance Custom engineered reflector optimizes the light to provide a smooth even beam pattern that focuses the light exactly where you need it Pulse mode increases visibility when riding on pavement in the daylight Designed to seamlessly integrate into an e-Bike‚& Auml;ö√& Ntilde;√¥s 6V to 24V on-board battery on select systems 1.9A peak current draw on high power with 12V system Waterproof design provides all-weather reliability (submersible up to 1 meter) Multiple mounting options include handlebar mount & Go Pro interface Lumins Output: High (1800) Medium (900) Low (450) Pulse (450) Beam Angle: 25¬¨‚àû (spot) IP Rating (FL-1): 67 Depth Rating (FL-1): 1 meter Impact Resistance (FL-1): 1 meter Thermal Management: Passive Cooling Fast Charge: False Product Dimensions: 2.4 x 1.6 x 2.2