Wireless OBD2 gauge display with unlimited custom themes. No VIN lock. No subscriptions. Yours forever.
60fps rendering, instant response, professional shift lights
Built by enthusiasts, for enthusiasts
ESP32 dongle stays at OBD port, streams data over WiFi. Display only needs power - no ugly cables across your cabin.
High-resolution 8.8" display with touch gestures. 4x the data density of vent gauges. See everything at a glance.
Design your own gauges with our visual editor. Export JSON themes, share with the community. Unlimited customization.
VCDS, Carista, and other scan tools still work. Our dongle passes through all signals while monitoring CAN data.
Own multiple cars? Switch profiles instantly. No VIN lock, no per-vehicle fees. One ZweiCAN, unlimited vehicles.
Full-screen flash at redline. Configurable warning, shift, and critical RPM thresholds. Night-friendly dim mode.
Plus unlimited custom themes via the web editor
Clean German racing aesthetic with black, red, and gold accents
Neon cyan and magenta with digital glitch effects
Classic analog-inspired with amber illumination
Our web-based theme editor lets you design custom gauge layouts with drag-and-drop simplicity. Choose colors, arrange gauges, set warning thresholds - all from your browser.
Record, analyze, and export your driving data
Built-in data logging captures every parameter in real-time. Perfect for track days, diagnostics, or tuning sessions.
More features, better price, no restrictions
| Feature | ZweiCAN | bTres | CANchecked | P3 Gauges |
|---|---|---|---|---|
| Price (Unlocked) | $799 | $1,050 | $550+ | $289+ |
| Wireless | ✓ | ✗ | ✗ | ✗ |
| Display Size | 8.8" Bar | 8.8" Bar | 3.2" | Vent |
| Resolution | 1920×480 | 1920×480 | 320×240 | Small |
| Custom Themes | Unlimited | ✗ | Limited | ✗ |
| Web Editor | ✓ | ✗ | ✗ | ✗ |
| Touch Gestures | ✓ | ✗ | ✓ | ✗ |
| Multi-Vehicle | Unlimited | ✗ | Extra $ | ✗ |
| VIN Lock | None | Yes | No | No |
| OBD Passthrough | ✓ | ✓ | ✗ | ✗ |
| Data Logging | ✓ | ✗ | ✗ | ✗ |
| CSV Export | ✓ | ✗ | ✗ | ✗ |
RS7 • RS6 • S7 • S6 • A7 • A6
2012-2018991 • 992 • Carrera • Turbo • GT3
2012+M3 • M4 • M2 • M5
F/G SeriesR35
2009+Want support for your platform? Let us know
No subscriptions. No VIN lock. Yours forever.
Ships Q1 2026
Ships Q1 2026
4Runner, GX, Tacoma, Wrangler
The ESP32 dongle plugs into your OBD2 port and creates a WiFi access point. The display connects to this network and receives real-time CAN data. No phone or internet required.
Yes! Our dongle includes full OBD2 passthrough. Plug your scan tool into the pass-through port and it works exactly as before.
On Audi C7: Boost pressure, oil temp, coolant temp, intake temp, knock counts, lambda, throttle position, RPM, speed, battery voltage, and 50+ more parameters.
No. ZweiCAN is completely unlocked. Use it in multiple vehicles, sell it with your car, transfer to a new vehicle - no restrictions.
Dongle plugs into OBD2 port (under dash). Display mounts anywhere you have 12V power - most people use the dashboard or center console. Full install guide included.
ZweiCAN only reads data from your CAN bus - it doesn't modify anything. Under the Magnuson-Moss Warranty Act, dealers cannot void your warranty for using diagnostic equipment.
ESP32 wireless dongle, 8.8" touch display, 12V power cable, OBD2 passthrough port, mounting hardware, and quick start guide.
Yes, we ship worldwide. International orders may be subject to customs duties and taxes in your country.
Questions about ZweiCAN? We'd love to hear from you.
Usually within 24 hours
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