Single mode: This is a really tactical SINGLE MODE flashlight, most flashlight from other seller are 3 or 5 mode, Please try to imagine when your team are assaulting enemy,one of your teammate use a 5 mode flashlight, after 4 times click the button, thanks, you are exposed. High lumen: Stay juiced for emergencies or patrol. When the lights go out, get dependable lighting what won't leave you in the dark thank to 800 lumen that steam out of the long-lasting Cree LED diode. or use the included parts to hook it on to your rifle so you are ready for night operations. And the light will hold up in the fiel thanks to a wear-resistant type anodized-aluminum body that is also water resistant. Running time: Support more than 3.5 hours running time when full charged. the torch come with a actual capacity 2600mah rechargeable 18650 battery with with smart IC protective board, avoid overcharge and discharge. Hunting set:The set included single mode torch + battery + charger + pressure switch + mount + red dot laser.