Key Features: Flashlight Model: A100-L2 Emitter Type: CREE / XM-L2Bulb Quantity: 1 Lumens: 3800 Lumens (L2 is an upgraded version of the T6 lamp beads， the brightness 3800LUMEN)Light Color: White LED Lifespan: 100， 000 hours Modes: 5 Mode (high-medium-low-strobe-sos)Battery Configuration: 1 x 18650 or 3 x AAA (No Battery including) Switch Type: Clicky / Clickie / Half-press (change mode) Lens Convex: Lens Special Features: Zoomable Material: Aluminum Color: Black dimensions: 157/135 mm (w) x 35 mm (HD) x 28 mm (TD)Weight: 142g >> Package Included: 1 x A100 XM-L2 Flashlight (NOT include battery)