Streamlight 51021 Night Com 5-1/2-Inch Flashlight, Red LEDs, Black 4.8 Volt, 0.9A high pressure Xenon Bulb 100,000 hour life LEDs; 2 Ultra-Bright and 1 Indicator type Corrosion resistant and O-ring sealed for all extreme weather operation Bulb Rating: 72 Lumens Typical (Xenon) LED Rating (Ultra-Bright): 8 Lumens typical (2 LEDs) LED - Indicator Type: Preserves complete dark adaptation per MIL-1472D Unbreakable polycarbonate lens Two 3 Volt CR123A Lithium batteries (10-year shelf life)