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Data logger and predictive lap timing display in one. VBOX LapTimers provide instant driver feedback, helping you find valuable improvements in lap times.

  • Accurate to 100th of a second
  • Compares speed at every part of the circuit
  • Static / rolling lap times and lap counter
  • Uses position, not distance, for unrivalled accuracy
  • Delta-V LED indicators
  • Data logging to SD card
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  • 10 Hz Data Logging
  • Data logging at 10 times per second for later analysis with our intuitive software.

  • Delta-V LED Indicators
  • Two high brightness colour LEDs give you an indication of your speed relative to your fastest lap.

  • Unrivalled Accuracy
  • Compares two different laps based on position rather than distance. Position based delta-T is far superior on long tracks.

    See more about Predictive lap Timing HERE

  • Free Analysis Software
  • Analyse your lap times with our intuitive Circuit Tools analysis software.

Mini Lap Timer

  • Update rate: 10 Hz
  • Velocity accuracy: 0.18 km/h
  • Position accuracy: 2.5 m (50% CEP)
  • IP Rating: IP65
  • Operating Temp: -20 to +70 °C
  • Power: <1.5 W
  • Input Voltage: 7 – 30 V DC
  • Dimensions: 50 x 50 x 26.7 mm
  • Weight: 103 g (exc. cables)
  • Datasheet

Lap Timer

  • Update rate: 10 Hz
  • Velocity accuracy: 0.1 km/h
  • Position accuracy: 3 m (50% CEP)
  • IP Rating: IP31
  • Operating Temp: -20 to +70 °C
  • Power: 1.5 W
  • Input Voltage: 7 – 30 V DC
  • Dimensions: 120 x 50 x 24.5 mm
  • Weight: 178 g (exc. cables)
  • Datasheet

How does it work?

Predictive lap timing has been available for some time, but traditional methods have generally relied on a distance measurement (normally from a wheel speed sensor input) for calculation.

However, distances lap-to-lap almost always change: either by trying different lines, overtaking other cars, or perhaps by locking a wheel. Predicting a lap time accurately using this variable is nigh-on impossible, and is exacerbated on longer circuits.

Unrivalled Accuracy With Position Based Delta-T

We employ GPS position from a fast updating data logger - rather than distance - to align the reference and comparison laps. This means our lap time stays accurate, even if the driver takes a different line each lap. The system will maintain 0.1s precision the entire way around any circuits, including very long circuits such as the Nurburgring or Spa. Position based delta-T is far superior to distance on long tracks.

Watch the video below to gain a quick insight into how comparing speeds at the same points on the track compared to previous laps (Delta Velocity) can help accelerate the learning process.


VBOX LapTimer has different display modes which can be accessed using the UP and DOWN buttons on the front panel. The data on each screen is calculated at all times, even if it is not displayed.

Lap Timing

Lap Timing

Live speed

Live Speed

predictive lap timing

Predictive Lap

The Predictive Lap Timing display (Delta Time) gives you an invaluable insight into how your current lap time compares with your fastest lap time. In addition, the high brightness colour LEDs give an indication of your SPEED relative to your FASTEST LAP.

Max speed

Max Speed

Lap Count

Lap Count

Speed Bar

Lateral G

Lateral G Bar

Longitudinal G


The OLED Display has the option to show font as a high contrast outline or inverse screen colours for use in different light conditions.

inverted Mode


normal Mode


outline Mode


Circuit Tools

Circuit Tools* is designed by racing drivers for racing drivers, with none of the complexity normally associated with data analysis software.

Watch the video below to see how easy Circuit Tools is to use:

Circuit Tools works with any VBOX Motorsport product and is free to download.

The software automatically detects the country, circuit and track configuration from a database of almost 500 circuits and uses the start/finish line information to separate the laps contained in your recorded file.

The fastest lap from your latest session is automatically chosen and displayed on the graph window. The video is moved to the start of this lap. You can compare runs from this session, or from previous ones simply by clicking on the relevant lap time shown in the session window.

Lap time difference channel

Time difference or 'Delta-T' is a very useful channel that shows the lap time difference between two different laps.

More about Circuit Tools Driver Analysis Software.