Pro-Lite;Warning Temperature Light Switch;Water Temperature;220 Deg. F;Light Turns Off At 190 Deg. F; California Residents: WARNING The Auto Meter Pro-Comp gauges contain a rugged air core meter movement for maximum toughness, accuracy, and quick response time. The full-pointer appearance matches the liquid-filled gauges for a consistent look on your dash. They have a black face with white digits and a silver finish bezel.