Light and Motion Seca 1400 Performance Headlamp Lumens: High-1400 Med-700 Low-350 Runtime: High-2:30 Med-5:00 Low-10:00 System Weight 500 gr. The Seca 1400 features our 6 cell Lithion-ion pack. It weighs 320 grams and recharges in 2.5 hours with the included smart charger. Cruise mode cycles through High, Medium, Low and Flash sequentially. When it's time to get your speed on, switch to Race mode using a two-second push and hold (starting with the light powered off). Race mode skips the Medium and Flash modes, allowing you to conserve battery power on the climbs while keeping the High setting just a click away for the descents. Helmet or tool-less bar mount. Optional Headstrap