Save your turbo- Set the warning feature to alert you before you over boost. Fully programmable to any level you want. Make changes within seconds using the buttons on the front of the gauge.Features:Peak RecallFully programmable Warning featureDimmableDaisy chainPremium waterproof senderIncludes wire harness (gauge to sender -plug and play)4 color choicesincludes mounting cupincludes VisorFree tech supportThis Electric Boost Gauge will perform a digital sweep/self check on Start-up.(-30vac to 35 PSI includes Mounting hardware, Tubing Kit, T-Adaptor, Waterproof Electrical sender, Wiring harness, Visor, Prosport decal and Instructions)