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 Feature: -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 Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.