Streamlight 51056 Night Com LED Night Vision Preservation Flashlight with Lithium Batteries in Blister Pack, Black - 105 Lumens C4 LED: 4,500 Candela Peak Beam Intensity; 105 Lumens Ultra-Bright Red LEDs: 2.5 Lumens C4 LED: Up To 3-1/2 Continuous Hours To 10 Percent Lumen Output Level Ultra-Bright Red LEDs (2): Up To 28 Hours Tailcap Switch: On/Off And Signal Mode Select Sequence: (2) Ultra-Bright LEDs / (1) Indicator-Type LED / C4 LED / Safe Unbreakable Polycarbonate Lens Length: 5.43 In (13.79 Cm)