Auto Meter 3654 2-1/16" 100- 260 Degree F Full Sweep Electric Water Temperature Gauge Modern white LED through-the-dial lighting provides clear visibility during nighttime use Gauge kit includes 1/8 NPT temperature sender, 3/8 and 1/2" NPT adapters, wiring harness, mounting hardware, and detailed instructions for installation Acquire data for later review with one-touch Peak Recall functionality Set a custom alert specific to your vehicle & receive warning notification to highlight the need for driver attention Includes data acquisition grade temperature sender, providing unmatched accuracy and durability even in the harshest environments