Raceworks 52mm Electronic Water Temperature Gauge Kit52mm / 2 Inch diameter 10 Colour LED 270 deg Full Sweep Compact Digital Sensors, resulting in no hoses or pressure lines being run into the cabin Electronic Stepper Motor for the Ultimate Accuracy, complete with Opening Ceremony Programmable Warning Peak Function Adjustable Brightness Adjustable Dimmer Daisy Chain Wiring, meaning Power, Ground and Illumination only needs to be wired to a single gauge in a series. Each gauge then uses a daisy chain harness, and only requires a signal input All settings stored in memory, without any power Required sensors included All functions accessed by single button on face 2 year Warranty For 12V Applications only