Specifications: Copper Switch Length: 62mm Type: G1/2 (External Thread Diameter), DN15mm Operating modes: Gravity / Gravity start switch Minimum start flow: 1-1.5L/min Maximum flow rate: 12L/min Maximum Water Pressure: 1.2MPa Operating voltage: 3-250V (DC 5V, 12V, 24V, 250V AC: 220V) Overload Current: 50mA Life cycles: 10 million Operating temperature: -20~60°C / -4~140°F Features: - No standby power consumption - All-metal structure, durable with stable performance - Starts with small flow, responds to large flow - Self-cleaning function for impurities - Customizable threaded joint, lead wire length, and terminals - Suitable for water heaters, electric faucets, mechanical equipment, HVAC systems, and other water-saving applications Package Includes: 1 x DC250V 70W G1/2 Full-Copper Water Flow Sensor Switch (DN15)