With the familiar system users can, within the function set, choose Full Power maximum Lumens Low Power up to 120 Lumens 2-Cell / 3-Cell ; or Eco Mode a super power saving mode that yields up to 25 Lumens with greatly extended run-time. There are three additional function sets Outdoor; Law Enforcement; and Military each offering a different set of functions invoked in a different sequence, for quickest access to the functions the particular user prefers. The IMPROVED, faster handling focus system now adjusts from spot to flood with less than turn of the head. Features Battery Life 8 Hour Battery Chemistry Alkaline Product Type Flashlight Power Source Battery Product Type Flashlight Manufacturer Part Number ML50LX-S2CC6 Manufacturer Website Address http //www.maglite.com Power Source Battery Weight Approximate 12.72 oz Color Black Durability Drop Resistant Durability Water Resistant Features Strobe Light M Maglite ML50LX LED 2 Cell C ML50LX LED 2-Cell C Display Box ;Black