• Waterproof by o-ring sealed.
• Powered by 1"AA" battery.
• Flow rates from 1 to 30L/min          
• Accurancy: +/- 0.5%          
• Operating pressure: 70bar          
• Lose of pressure: 0.7bar (15L/SAE 10W/40 oil)
• Thread: 1/2" PT.