Constructed of corrosion resistant lightweight plastic. Prewired with integral on/off/on rocker switch and two separate light circuits. One circuit uses a clear bulb and the other circuit uses a red night vision bulb. Low current consumption (0.068 amps @ 12 volts). Very little heat and extremely long service life. Vibration resistant LEDs. Surface mounts with #8 RH fasteners (not included). Color Chrome A 4" B 5-3/4"