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 (for DC 5V, 12V, 24V, 250V AC: 220V) Overload Current: 50mA Life span: 10 million cycles Operating temperature: -20~60℃ / -4~140℉ Features: - No standby power consumption - All-metal structure, durable, stable performance - Starts with small flow, responds quickly to increased flow - Self-cleaning function for impurities - Suitable for use in water heaters, electric faucets, mechanical equipment, and other energy-saving water applications Package Includes: 1 x DC250V 70W G1/2 Full-Copper Water Flow Sensor Switch (DN15)