Model: Romisen RCT6 Black - Features 6 x Cree XR-E Q4-WC LED emitters - Accepted voltage input range: 6.0V~16.8V - Powered by 4 x CR123A 3 x CR123A 2 x 18650 2 x CR123A + 1 x 18650 or 1 x CR123A + 1 x 18650 battery - Supports both 3.0V and 3.6V CR123A batteries - Versatile battery configuration: combine CR123A and 18650 the way you like - Extension tube for 4 x CR123A 2 x CR123A + 1 x 18650 2 x 18650 included - 3-Mode barrel side clicky switch: 2 x Cree LED > 4 x Cree LED > 6 x Cree LED - 500 lumens maximum brightness (manufacturer rated) - 1500mA curcuit driver output - Regulated driver circuitry - 50 to 60 minutes estimated total runtime (manufacturer rated) - Coated glass lens with aluminum textured/OP reflector - Comes with a free flashlight holster