Tips：Gold type is a bigger size,can use for oil or water. Silver Voltage：12V / 24V Material：Stainless Steel Flow：12L/min Engine Rev：8500r / Min Pump Body Diameter：38MM Interface Type：cilp or lighter Line length：3 meter Color: Silver Power: Electric Structure: Barrel Pump Pressure: Low Pressure Gold Voltage：12V / 24V Material：Stainless Steel Flow：33L/min Engine Rev：12000r / Min Pump Body Diameter：50MM Interface Type：cilp or lighter Line length：3 meter Color: Gold Power: Electric Structure: Barrel Pump Pressure: Low Pressure Features: - Efficient, low current draw and high capacity output. - Smooth and silent operation. - Easy to use battery clamps connecting system. - 3-meter power cable with ON / OFF switch. - Good DC12V/24V fuel oil transfer pump for water oil and so on. - Widely used in: all kinds of paver,digging machine,construction machine,bridging machine,roller,oil tanker,fishing and other types of work in the field of gas,oil,oil etc. - The pump is strictly prohibited pumping gasoline, alcohol and other flammable bodies. Usage method: - The pump pumping should first take a good self-contained oil hose,and then the pump completely into the clean oil(or water). - The pump after use,should put the oil from the oil (or water) out. - The pump running note containing fuel tank,so that it does not exceed the capacity load line. - Of the pump at the bottom of filter with a stainless steel filter screen,make the die-sel out (or water) more clean; bottom filter with thread interface,convenient disassembly,repair,replacement,can achieve the purpose of repeated use. - Of the pump power supply line is provided with asecond midway switch, convenient operation. - The pump outlet diameter 16mm,the maximum output of oil 12L/min（Gold 33L/min）. - .Out of the oil hose owned (with hole 16mm-19mm.)