The Lite Tracker utilizes a proprietary light multiplying principle that offers high visibility from all directions up to one mile. An omni directional luminary, solid state LED light in a High Impact plastic case. Comes with a handy Belt Clip on back. Three Models in Stock: EVL Model has a white face shield with red LED lights on top & bottom and a blue LED light in the center. The 2 end red LEDs alternate whle the blue LED pulses producing an effect similar to an Emergency Vehicle Lighting. Multi Model has a green face shield with 3 amber LED lights. The first press of the ON/OFF button makes the 3 lights glow steady; pressing and holding produces 3 flashing LEDS; continuing to hold produces 3 LED strobes. Diver's Model is underwater submergible and is water activated and US Coast Guard Compliant. This model has 3 amber LEDS which automatically turn ON to a flashing pattern when in contact with water and turns OFF when dry. The Diver's model is tested to 100-feet. Approx. Size: ONLY 1-3/4" wide by 2-3/4" High x 1-1/2" Deep. Approx. Wt. 3.5 oz. with two included 1.5 Volt AAA Alkaline batteries Features: