Product details:

The functionality of three devices in one 4 x 2 x 1 case! The SGI-100BT can adjust/split/recalibrate an electronic speed signal calibrate a tach signal and aid in the creation and adjustment of a gas tach signal for diesel swap applications! Speed calibration from 25% - 400%. Multiple speed outputs available for multiple devices. Electronic pull-up built in high or low voltage input. Tachometer settings from 1-16 cylinders and 5V or 12V signal type. Diesel applications: outputs for 4 6 or 8 cylinder tachs. Can read off flywheel sensor available separately timing gear sensor or alternator W-terminal stator tap.