The 821C LumenX(R) Oval LED Back-Up Light features 7-diodes, industry-standard PL3 socket integrated into housing, skirted weld joint for added protection against moisture, 9-16 volt operating range, a regulated design providing voltage protection and consistent light output over the entire voltage range. Includes light, grommet and 421-49 plug. Meets FMVSS 108 requirements in horizontal, vertical or any 360 deg. position.