Federal Signal Firebolt Plus strobe beacon features modular construction for easy installation and maintenance. It's screw-on dome makes for easy access for strobe tube changes. The impact-resistant, polycarbonate dome and base provide added durability in heavy-duty applications. Polycarbonate base available. Power supplies are moisture and vibration resistant, and will automatically adjust to function at multi-voltages. The Firebolt has an operating voltage of 12-72 at 2J with an amp draw of 0.24A at 12V to 0.04A at 72V, operating at 2 joules and 2 watts with 60 FPM. It's SAE Class 3 approval makes it ideal for forklifts, landscaping, snow plows and utility vehicles.