The Stack DVL Kits provide a dual solution to event recording and now allow data logging to be overlayed and synchronized to the recorded footage.Stack DVLs are able to be connected to a Stack dash display, any data logging system and some third party ECU's* by CAN bus and can record up to 128 channels for optimum logging results. The unit features a 3 axis g-sensor, which, when linked to GPS module can optimise accurate speed readouts when on loose surfaces which may show inaccurate speed readouts if the wheels lose traction. The GPS module also allows a 'track map' to be created ensuring lap by lap comparison. The Stack Pro DVL can be used as standard video recorder without logger which provides a contingency should data logging become a requirement.Intended for more demanding motorsport applications (wet or high vibration environments), the PRO-4 DVL case is fully waterproof equipped with high specification 'AS' connectors. The waterproof case provides a certain 'fit and forget' typ