AVT Battery powered Fully Portable Magnetic REMOTE Controlled Flashing beacon. Class leading battery design - Strong ABS lens with watertight battery compartment seal. 36 1.5w Ultrabright LEDs in a double flash rotating pattern. Highly visible in both day and night. Ultra low current consumption means weeks of use out of one set of batteries. Large heavy duty magnetic base, or can be removed and bolt / screw mounted Full remote control on or off from up to 200ft away SPECIFICATIONS Operating voltage 2 X 1.5V(D CELL BATTERIES NOT SUPPLIED). Operating Time 2000+ hours on one set of batteries Number of LEDs: 36 Ultra Bright Rotating Flash Rate: 130 F/min Magnetic base - Rated to 70mph Rubber waterproof sealing ring around lens thread Rubber on/off push button switch. 1 Year Warranty DIMENSIONS 150MM High 105MM Diameter