16-Way Adjustable Countdown Timer:Offers 16 settings from 0-10 minutes, allowing precise turbo timer customization for vehicles. Multi-Functional Display:Displays A/F ratio, O2 sensor voltage, and battery voltage, providing comprehensive vehicle status. Universal Fit with Pen-Style Design:Pen-shaped design offers a sleek, compact fit for any vehicle with a 12V power source. Handbrake Safety Feature:Prevents vehicle theft by shutting off when handbrake is released without ignition key. Installation Time: 45-60 mins Installation: To be installed by professional only Operating Temperature: -20-60°C(-4 to 140° F) Posite with LED list Digital Timer Functions: Manual Mode (0-10 Minutes) Memory Mode #1 (1 touch, 1 Minute Setting) Memory Mode #2 (1 touch, 3 Minute Setting) Battery Voltage Display:Compatible with all Turbo Timer Harnesses Battery Voltage Value Indication ON/OFF Warning Function NOTE: All items are New unless stated otherwise on the listing. We sell DIY () . We take no