Peterson Manufacturing expanded its LED line of Tunnel Lights with new 274 Series, a 2-inch round, grommet-mounted accessory light for trucks and trailers. The model features an operating range of 8 to 16 volts and is available in amber and red LED versions. It is designed for accessory or off-road use only. It comes with .180 bullets that can be removed for hard-wire connection to vehicle harnesses. The non-polarized design allows connection of the hot wire to either lead.