F.R.E.D. (Flashing Roadside Emergency Disc) LED Flare for reliable signaling in an emergency.Every F.R.E.D. offers ten different LED lighting modes to make sure it attracts attention whenever and wherever you use it. Perfect for emergency use, camping/outdoors, road flares, marine applications, etc. Requires 3 AAA batteries (included).Directions for Use:Just press the button and hold to turn on and cycle through the different lighting options.Features & Benefits:Superior visibility:Super bright LED array can be seen up to 1 mile at night and can also provide additional protection during the day as well.Lateral illumination:360 degree coverage is provided (a common weakness of other emergency lights).Attachable:Strong magnetic backing allows flare to adhere to your vehicles hood and other metal surfaces. Plus the extendable hook can be used to fasten to backpacks.Compact:The size is similar to a hockey puck, and they can be mounted or stored just about anywhere on your bike.Versatile:FRED Light units can be used for traffic control, as a warning light, as a rescue beacon, and for any other emergencies. They can also be used for recreational activities such as camping and hiking.Durable:Can withstand weight of 10,000 lb. vehicle. Watertight; use during rainy weather and for marine applications. Shatterproof and buoyant.Non-reactive:Flares can be used in places where old-fashioned flares would be dangerous, such as in dry brush or in the presence of gasoline.Lighting Modes:Spotlight (6 hours)Double blink (9 hours)Double pulse (9 hours)Single blink (38 hours)Rotate (9 hours)SOS rescue morse code (15 hours)Alternate (9 hours)Solid on high (5 hours)Solid on low (28 hours)2-LED flashlight (9 hours)