Usage:
1. Adjust the telescopic rod: loosen the fastening nut of the telescopic rod, stretch it to a suitable length, and then tighten it.
2. Digital adjustment: use magnetic flip head to hold the field flip sheet and pull it vertically outward quickly to flip it to the other side.
3. Clean digital cards regularly with a cleaning brush.
Applications:
It definitely displays various kinds of oils price in bulk plant so that drivers of tank truck can recognize them easily.When oil price changes, easily use the magnetic rod to change the digits.
Other applications:It also can be used in other fields according to the customers'need.