The RACB is a self-contained RED LED 12/14 VDC operated Aircraft Beacon. Designed specifically for use where an external 12 VDC power source (battery) is available. Measuring 2 ½” in diameter at the base by 4.75″ tall, weighing only 7.8 ounces. It is fitted with a Fresnel lens. The flash is in an ON/OFF PATTERN of 120 cycles per minute. Power consumption is 500 ma (1/2 Amp) with an average draw of 0.3 Amps. The RACB is mounted with a 1/4 X 20 stud located in the center on the bottom of the unit making our Through Hole Fuselage Mounting Kit (RND-MK#2) ideal. Its rugged construction makes it a great economical stand-alone unit. To see the flash pattern, go to the Video..