20 brilliant LED bulbs Up to 72 hours on 4 AA batteries Non-slip textured grip Its five stage switch provides red, amber, red/amber alternating, red/amber blend and a flashlight selection. The 20 brilliant LED bulbs can be seen for up to 1 mile and provides 300 hours of continuous flashing! The Flashback Five can be used as a signal light, a vehicle warning light (with its built in magnetic mount tailcap - placement can be anywhere on vehicle) or as an ''on-the-scene'' dash or deck light. Flashback Five's 360-degrees of light dispersion ensures your visibility day or night, or in rain, fog or snow. It's weather resistant body is made of high impact ABS plastic and operates up to 72 hours on 4 AA batteries. Flashback Five also has a non-slip textured grip with a built-in belt clip and wrist strap. Ideal for all police, EMS, fire and 1st responder personnel.