Shadow R-Commander 2 RPM Activated Switch Controller – Dual Trigger Controller with Shift Light Output, Tachometer Display, 12V Output Control for Solenoid & Mods, for 12V Vehicles

★★★★★ 4.9 86 reviews

$105.26
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$105.26
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Free shipping Free 30-day returns

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Management number 212904184 Release Date 2026/04/12 List Price $42.10 Model Number 212904184
Category
  • 【For 12V Vehicles Only】Please confirm your vehicle has a 12V system and supports RPM reading via a wired signal connection. For 12V vehicles only. Do NOT use with 24V trucks, as this will cause device damage.
  • 【Dual RPM Trigger Outputs】Supports 2 independent RPM-based trigger outputs (R1 & R2), providing a +12V signal. The setting range is from 1000 to 9900 RPM with 100 RPM step adjustments.
  • 【Custom Shift Light Warning】Features a built-in over-rev warning function. When your preset trigger RPM is reached, the indicator light illuminates, letting you know your engine has hit the desired value.
  • 【Multi-Cylinder Engine RPM Signal Support】Can read RPM signals from 1 to 50 cylinder frequencies. It's compatible with a variety of 5V or 12V RPM signal sources, including ignition coil, camshaft position sensors, crankshaft position sensors, ECU RPM signals, and more.
  • 【Multiple Output Modes】Offers continuous or intermittent pulse output (High/Medium/Low) once the set RPM is triggered, giving you the flexibility to control a wide range of external electronics.
  • 【Real-Time RPM Display】A clear LED digital display lets you accurately monitor your RPM in real-time.
  • 【Perfect for Custom Builds】Ideal choice for controlling shift lights, solenoids, cooling fans, various pumps, or any other 12V electronic device based on RPM.
  • 【Compact & Durable Design】Minimalist body with metal buttons for precise control and a clean cockpit appearance.
  • 【High-Speed Signal Processing】Built-in chip ensures stable RPM reading with improved anti-interference ability.
  • 【Easy Installation & Setup】Simple wiring and intuitive interface make it user-friendly for modification enthusiasts.

Brand Name Shadow
Item Weight 0.45 Pounds
Manufacturer Auto Jaw Co., Ltd
Included Components RPM activated switch controller, wire connector, cable tie, tapes, manual

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