This low profile, heavy duty strobe operates from 12-48 VDC and is certified to SAE J1318 Class II. This strobe light features the latest design in power supply and is protected against reverse polarity, voltage spikes, and surges. The strobe light can be either flange or 1" pipe mounted. The three-wire lead lets user select flashes per minute (80 fpm for double, 65 fpm for quad). The six point shock-resistant mounted power supply and rugged polycarbonate base work in on- or off-highway applications..