Nitecore MT2A 345 Lumens LED Flashlight w/Bonus Premium Holster - Use 2x AA Batteries Bright 345 lumens LED flashlight featuring Cree XP-G2 R5 LED Focused beam reaches 166 yards Use commonly available 2x AA Batteries (not included) Three brightness adjustments plus strobe and SoS for all your usage scenarios Also include a Lumen Tactical Premium top cover double loop holster Press down the tail switchto turn on and off Half press the tail switch to turn on the light momentarily Turbo: 345lumens / 2hr 15 min High: 138 lumens / 5hr Mid: 55 lumens / 12 hr Low: 17 lumens / 50 hr Fully tighten the head of the light to select Turbo Mode for quick access to turbo output. Slightly loosen the head of the light to select User Defined Mode and cycle through high, mid, low, SOS and strobe outputs by quickly pressing the tail switch. In shirt pocket as a penlight In pant&#039;s pocket as a EDC flashlight