FLOW CONTROL - Patented Nozzle Lever controls the flow with a squeeze of the lever. Nozzle is designed to be locked for extended fueling or watering sessions. Nozzle Holder built into pump to head to prevent any fuel loss. FLEXIBLE OUTTAKE HOSE - 73.5 inch Length, Contructed of high grade polyester yarn with 4 layers of oil, flame, cold weather reistant outtake hose. COMPATIBLE LIQUIDS - Engine oil, Hydraulic oil, E15, E85 (remove after use), Gasoline, Diesel, DEF, Ad Blue, Antifreeze, Mild Chemicals, Detergent, Water (not for drinking water). ADJUSTABLE INTAKE - Extendable Intake Tube (16.5 inch to 22.6 inch) sure to fit 5-gallon buckets to 20-Gallon Drum barrels. Bucket Lid attachment secures the intake onto buckets with the included wing nuts. FLOW RATE - Transfers up to 4.5 Gallons per Minute with the included 16V DC Power Adapter. Optional Power: DC Cable Clips (Search: TREDRUM-DC) only use with 12V DC to 20V DC Batteries. Do NOT use with commercial vehicle batteries. Compatible Liquids: Engine oil, Hydraulic oil, e15, e85 (remoe pump after use), gasoline, diesel, DEF, Antifreeze, Mild Chemicals, Detergent, Water (NOT drinking water)