Operating range: Suction from 27 feet at sea level

Principle of operation: Mechanical peristalsis

Dimensions: 3.5 x 8 x 8 inches

Power source: Any external 12 V DC or 120 V AC

Power cord: 12 V DC adapter cord or standard AC power cord

Power cord length: AC cord: 8 feet; DC cord: 15 feet

Range of speed: Series I: 60 to 350 rpm

Range of speed: Series II: First pumping station 30 to 300 rpm; second pumping station 60 to 600 rpm

Speed control: Stepless variable speed control

Liquid delivery rate: 1.67 ml per revolution

Pumping options: Pressure or vacuum (reversible flow)

Pump head rotor: Cold rolled steel

Basic system kit: Geopump (as specified), 5ft of tubing, power cord (as specified), field case, and manual. Pump head sold separately: standard, easy-load 1, easy-load 2, or quick load.