Digital Oil Gun
The digital oil gun with flexible tube and manual tip, with the appropriate connection to establish a controlled flow through the meter.

Meter

1) 5 digit liquid crystal display (shows the quantity of single-fueling, and memorizes the total amount )

2) 4 units: L, GAL, PT, and QT

3) Accurate to the second decimal place

4) Low battery indicator

5) 4 buttons: "Total", "Reset", "1" and "2" (back of the meter)