Fangrui Product Details Specifications: Copper Switch Length: 62mm Type: G1/2(external Thread Diameter), Dn15mm Operating Modes: Gravity/ Gravity Start Switch Minimum Start Flow Is 1-1.5l/min Maximum Flow Rate Is 12l/min Maximum Water Pressure: 1.2mpa Operating Voltage: 3-250v (for Dc 5v 12v 24v 250v Ac:220v) Overload Current: 50ma Life Times: 10 Million Operating Temperature: -20~60 / -4~140 : -no Standby Power Consumption. -all-metal Structure, Beautiful And Durable, Stable Performance. -small Flow Starts, Starts Big Traffic. -impurity Self-cleaning Function. -customers Can Customize A Threaded Joint, Long Lines And Terminals. -widely Used In Water Heaters, Electric Faucet, Mechanical Equipment, Conditioning And Other Energy-saving Water Industry Packaging 1pcs* Dc250v 70w G1/2 Full-copper Water Flow Sensor Switch Flow Switch Dn15