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 Lifetime: 10 million cycles Operating temperature: -20°C to 60°C (-4°F to 140°F) Features: - No standby power consumption - All-metal structure, durable with stable performance - Starts with small flow, activates larger flow - Self-cleaning function for impurities - Suitable for use in water heaters, electric faucets, mechanical equipment, and other energy-saving water applications Packaging: 1 x DC250V 70W G1/2 Full-Copper Water Flow Sensor Switch (DN15)