A. LCD screen that displays battery life, grease capacity, ounces or grams dispensed and when the screen turns red, the barrel is empty.
B. Reset button turn on the flashlight and allows you to reset ounces or grams.
C. 1 and 2 Switch allows two flow rates. Switch it to 1 for 4 ounces per minute. Switch it to 2 for 6 ounces per minute.
D. (2) 20 Volt, 4 Amp Batteries will allow the operator to use 10 cartridges of grease before the next charge.

Safety Features: The purpose of the Gauge is to make sure the valve is not over pressured and the release valve allows the operator to stop gas pressure from entering the grease gun. The unit is tested to 10,000 psi and carries a one-year limited warranty.

Please note: This product is not intrinsically safe. Damaged or cracked batteries are unsafe to charge and must be recycled properly. Do not use other manufacturers batteries.