Arrow A048-04-322 Red Marker Light with Stainless Steel Rim - Flush Mount, 1 Bulb.

Dimensions: Light: 2-1/4" W. x 4-1/4" L. x 1-5/16" H. Mounting: Four 3/16" mounting holes on 3-9/16" x 1-1/2 centers, alternate mounting two 13/64" x 17/64" slots on 3-3/64" centers.
Materials: Stainless steel rim, back & socket, acrylic lens, sponge rubber lens gasket, asphalt impregnated felt mounting gasket
Electrical: Voltage: 12V Bulb: 67 Candela: 4 Amp: .59 Wiring: Single Wire - Hot Meets FMVSS 108