Features:2 CREE XM-L (U2) + 2 LUMINUS SST-40 high brightness LEDs .Max.Lumens:4000LM (FL-1 tested) .Max.Runtime:94 hrs (FL-1 tested) .Max.Intelligent operation standby time:200 hrs .Battery Type:Li-Ion External battery pack .Recharge Time:6 hrs .12V 1.5A :3:15hrs .9V 2A :3:15hrs .5V 2A :6:00hrs .5V 1A :9:00hrs .Size (W x D x H):66 x 43 x 75 mm .Weight:192g (Light) + 390g (Battey Case).