"The Maglite XL50 LED Flashlight (Gray) is a sturdy pocket flashlight that uses MAG-LED technology for high brightness and low power consumption. This flashlight offers three settings, accessible via a single pushbutton on the bottom of the flashlight. One click turns on the flashlight, two clicks switches to 25% power mode, three clicks activates the emergency safety strobe. A twist top makes it easy to adjust the LED beam from spot to flood. Power is supplied via three included AAA batteries which lasts for over 6 hours in high mode. This light is designed for durability with a machined aluminum case and a corrosion resistant anodized finish. Tail Cap Switch 1 click - high power 2 clicks - 25% power 3 clicks - safety strobe|Spot-to-Flood adjustable LED beam|Anodized for corrosion resistance and durability|Rugged, machined aluminum case|Intelligent Energy Source Management - continuously monitors the balance between high brightness and efficient power usage allowing for prolonged battery life|Powered by three (3) AAA alkaline batteries (included)|Individually serial numbered"