LED Waterproof 6" Oval Grommet Mount Taillights Backup Light. Featuring LED Technology, these grommet mount lights with 10 diodes are waterproof and meet FMVSS/CMVSS 108 requirements. Approved for vertical or horizontal mounting. Grommet, 3 prong wiring pigtail and 11 ga. steel mounting bracket available separately. Size is 6.42" x 2.28" x 1"