Innovate Motorsports 3893 PSN-1 PowerSafe Nitrous Bottle Pressure/Wideband Oxygen Gauge Kit<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>All-in-one， Nitrous safety override and wideband air/fuel ratio gauge w/RPM window switch， 52mm (2 1/6") diameter gauge body</li><li>OLED user configurable display. Nitrous Bottle Press.， shift light， Air/Fuel ratio. AFR or Lambda， inHg， PSI， kPa， or BAR</li><li>1500 PSI nitrous bottle pressure sensor</li><li>User programmable nitrous safety cut using Air/Fuel ratio and bottle pressure references. Nitrous cut by lean air/fuel condition. Nitrous cut by minimum bottle pressure</li><li>User programmable RPM window switch range， 10 RPM increments</li></ul></div><img src="http://ecx.images-amazon.com/images/I/519Votb2BZL.jpg" noproxy>