The pump is manual, diaphragm, two positions of the handle.
 
Specifications:
Productivity - 720 Gallons/hour
nozzle diameter 1 1/4" or 33 mm
dimensions 273x140x140 mm
Interaxle on holes 110 mm

Starts pumping at atmospheric pressure in the suction line.
 
Manufacturer: TMC Technology Corp. (Taiwan)