Data Logger 0-5V Output Provides ECU And Data Systems With Vital Information,Pumps Allow Drivers To Focus On The Competition While The Gauges Control Key Vehicle Systems,12 And 16 Volt Compatible; Compatible w/Nearly Every Street Car Or Race Car Electrical System,7 User Selectable Colors To Match Visual Preferences Of Driver And Visibility Conditions,Set Custom Alert High And Low Points and Receive Warning Notification To Highlight The Need For Driver Attention,Digital Stepper Motor Electric Instruments Provide Unmatched Accuracy,Gauge Kit Includes 1/8 in. NPT Stainless Steel Pressure Transducer; 1/4 in. NPT Adapter,Custom Programmable Activation and Deactivation Points For Key Functions Like Lights; Fans; Switches,Includes Wiring Harness; Mounting Hardware; Detailed Instructions For Installation,Acquire Data For Later Review With One-Touch Peak Recall Functionality