These compact, ultrabright lights use 16 all-direction LEDs for visibility up to 7 miles. Running up to 100 hours on one lithium battery, they work underwater and in hot or freezing temperatures. Ten flash patterns include SOS and solid-on lantern. This listing is for each. Technical Specification Item LED Safety Flare Operating Life Up To 150 hr. Steady LED Color Red Water Resistant/Waterproof Waterproof Operating Temp. -40 Degrees to 210 Degrees F Flare Stand Included No Stand Shell Color Orange Number of LEDs 16 Flashes per Minute Variable Power Source (1) CR123 Battery Diameter 4-1/4 Height 1-1/4 Lens Material Polycarbonate Shell Material Plastic/Rubber Light Output 128, 000 Millicandela Includes (4) Lights, (4) CR123 Batteries, Orange Carrying Bag Special Features Waterproof to 80 ft. Submersion, Push Button On/Off/Flash Selection Button Standards 393.95(g), CE Certified, MIL-SPEC/MIL-STD 810, MUTCD Type A (Flashing) and Type C (Solid On), RoHS Compliant, U.S. DOT (FMCSA) 49 CFR 392.25