ITEM NAME:G1/4" Water Flow Sensor Flowmeter Counter Hall Effect Switch 0.3-3L/min Description: - Hall operating principle, pulse signal output. - Small size for easy installation. - Type: G1/4"(External Thread Diameter) - Working voltage: DC4.5-18V - Rating voltage/current: DC5V, ≠¦15mA - Electrical strength: AC500V, 50Hz - Minimum startup flow: 0.3L/min - Maximum flow: 3.0L/min - Pressure: 1.2mpa Specification: - Switch Length: 60mm/2.4inch - Cable Length: 230mm/9inch - Hole Diameter: 10mm/0.4inch - Material: Plastic Package Included: 1 Piece Water Flow Sensor Switch.1 Piece Water Flow Sensor Switch. - Minimum startup flow: 0.3L/min. - Maximum flow: 3.0L/min.