Multivolt 12-24VDC, SAE Class 1 low-profile (5.3in.H x 6.5in. dia.) beacon draws only 1.25 Amps and has a life expectancy 50 times longer than flash tubes up to 100,000 hours! Multiflash patterns synchronize to other LED devices creating alternate flashes, with state-of-the-art LED components and PC circuitry. 3-option permanent mount: metal base and 3 screws, 1in. thread pipe mount or J-bolt mount.