["Specifications: r Copper Switch Length: 62mm r Type: G1/2"(External Thread Diameter), DN15mmr Operating modes: Gravity/ Gravity start switchr Minimum start flow is 1-1.5L/minr Maximum flow rate is 12L/minr Maximum Water Pressure: 1.2MPar Operating voltage: 3-250V (for DC 5V 12V 24V 250V AC:220V)r Overload Current: 50mAr Life times: 10 millionr Operating temperature: -20~60 / -4~140r r Feature:r -No standby power consumption.r -All-metal structure, beautiful and durable, stable performance.r -Small flow starts, starts big traffic.r -Impurity self-cleaning function.r -Customers can customize a threaded joint, long lines and terminals.r -Widely used in water heaters, electric faucet, mechanical equipment, conditioning and other energy-saving water industryr r Packagingr 1pcs* DC250V 70W G1/2 Full-copper Water Flow Sensor Switch Flow Switch DN15"]