Sahara gauges are the hottest thing going. Crisp tan dials and fire-orange pointer tip, Sahara instruments provide a unique look for your dash. Combined red through-dial and white perimeter lighting provide great readability at night. 2" water temperature gauge (Inboard/Outboard and Inboard). Dial range: 12-240 degree F. Sender code: "D" required. Cutout dimensions: 2-1/8".