RPM, SPEED — Warns via audible alerts and indicator lights, featuring a buzzer and 8 LED indicators.
1. We provide a one-year warranty (excluding damage caused by human factors). All warranty claims require proof of professional installation.
2. Manual measurement — please allow 1~3 mm error. Due to the difference between different displays, the picture may not reflect the actual color of the item. We guarantee that the style is the same as shown in the picture. Please understand, thank you!
Frequently Asked Questions (FAQ)
QWhat sensors does the DO904 support?
AThe DO904 supports a wide range of sensors including Boost, Oil Pressure, Air-Fuel Ratio, Oil Temperature, Water Temperature, Exhaust Gas Temperature (EGT), RPM, Speed, and Voltage sensors — all included in the wire harness kit.
QCan I switch between metric and imperial units on the DO904?
AYes. The display supports both metric and imperial units. You can change the measurement unit (e.g., PSI/BAR, °C/°F, KM/H or MPH) through the SET UNIT option in the bottom menu settings.
QHow does the alarm system work on this race dashboard?
AThe DO904 features an audible buzzer alarm combined with 8 LED indicator lights. Alarms can be triggered for RPM and Speed thresholds. You can configure the speed limit alarm via the SET ALARM option in the display settings.
QDoes the DO904 have Bluetooth connectivity?
AYes, the DO904 supports Bluetooth connection, allowing for wireless communication and data monitoring from compatible devices.
QHow do I adjust the screen brightness on the DO904?
AThe DO904 offers both manual and automatic brightness adjustment. You can select from three brightness levels or enable the automatic sensitivity mode, which adjusts brightness based on the ambient environment.
QWhat warranty is provided with the DO904, and is professional installation required?
AA one-year warranty is included with the DO904, covering manufacturing defects but excluding damage caused by human factors. Please note that all warranty claims require proof of professional installation.