M&P Delta Force CS 2xCR123 features low, medium and high functions as well as memory retention - it remembers your last light setting. The light features a Cree XPG2 LED and the flashlight is constructed from anodized aerospace aluminum. Offers a runtime of 33min on high and 10hrs 40min on low, a length of 3.46in, head diameter of 0.28in and weight of 1.13 oz. with battery. Runs on 1 integrated Lithium ION battery and USB to Micro USB charging cord are included. Provides twist on/off switch and dual-function spring steel clip allows for clipping to pocket, hat or belt. Offers a crenelated head for self-defense and is impact resistant and waterproof. Provides beam distance of 120m, peak beam of 3600Cd, 310 Lumens on high and 20 low.