AUTOMETER PHANTOM ELECTRIC NITROUS PRESSURE GAUGE -- 2-1/16 in.; 0 to 1600 psi; Includes 1/8 in. NPT sender and 8 ft. tubing or wiring harness; Full sweep; Features red pointer for quick glance monitoring and precision movement and extreme accuracy; Safeguards against dangerous conditions; Recommends elbow fitting, gauge mounting cup, gauge panel, and tachometer bracket.