The multi-functional Gander Mountain Tactical Handheld LED Flashlight features four different colored lights (white, red, green, and blue) and 3 LED modes: high, low, SOS flashing. A self-defense strobe flashes eight times per second. Runs 4 hours on high power and up to 110 hours in SOS mode. LED bulbs never require replacing. Water-resistant. Includes two 3V CR123 batteries.