Gauge Kit Includes 1/8 in. NPT Temperature Sender; 3/8 in. And 1/2 in. NPT Adapters,12 And 16 Volt Compatible; Compatible w/Nearly Every Street Car Or Race Car Electrical System,Digital Stepper Motor Electric Instruments Provide Unmatched Accuracy,Set Custom Alert High And Low Points and Receive Warning Notification To Highlight The Need For Driver Attention,Acquire Data For Later Review With One-Touch Peak Recall Functionality,Data Logger 0-5V Output Provides ECU And Data Systems With Vital Information,7 User Selectable Colors To Match Visual Preferences Of Driver And Visibility Conditions,Custom Programmable Activation and Deactivation Points For Key Functions Like Lights; Fans; Switches,Includes Wiring Harness; Mounting Hardware; Detailed Instructions For Installation,Pumps Allow Drivers To Focus On The Competition While The Gauges Control Key Vehicle Systems