... auto shut off eletric ball valveSize: 1/4",1/2",3/4",1",1 1/4" ,8mm,10mm,15mm,20mm,25mm,32mmVoltage: DC3 ... : 100,000 timesSpecial function:position indicator;quick open signal feedback,manual override fail safe(auto-return) function best alternative to the ... gear with switch. 3. Multi-angle assembling,easy to install. 4. Float ball structure,no leakage,especially suitable for heavy pollution ...