Features: Multi-functional: 400 Lumen High Output, 20 Lumen Low Output, and High Output SOS and Strobe Momentary/Constant On/Off End Cap with Lanyard Loops Durable Matte Black Aircraft Aluminum Construction Removable Steel Pocket Clip for Bezel Head Up or Down Carry IPX7 Waterproof Rated. Capable of Withstanding Immersion in up to 1 Meter of Water for 30 Minutes Powered by Two CR123A or Single 18650 Rechargeable Battery 50 Minute Runtime at Constant High 400 Lumen OutputSpecifications: Material: Aluminum Flashlight Bulb Type: CREE LED Flashlight Voltage(V): 6 Flashlight Max. Lumen(Lumens): 400 Flashlight Battery Operating Time: High-50mins Low-24hrs Light Source Type: Preset Flood Reflector Diameter: 20mm Weight with Battery: 4.3oz Diameter: 1.1" Length: 4.72" Color: Black