Rectangular 12 volt clearance light with rounded corners. Socket is waterproof and is assembled with a slight but firm rotating motion. Mounting screws are concealed beneath cover. Polar white. SAE approved. Replacement lens available. 3-7/8" x 1-7/8" x 1-3/4" Amber replacement lens KMS# 3289232 and Red replacement lens KMS# 3289237. Replacement bulb: #194.