Upgraded Water Flow Sensor Switch Air Flow Meter Switch 1.8~5V 1/4" Thread Easy Installation Suitable for IC Card

Features:Thread: 1/4-inch, voltage: 1.8~5V, flow range: 0.5-8L/min. 2 in 1 water flow sensor & solenoid valve, hall effect & quick response-. Wiring: Red-In-Positive/Yellow-Out-Signal output/Black-GND-Negative. Mainly used for water heater, water dispenser, campus card slot, etc. Material: food grade plastics, all raw- materials conform to strict test stabdard. Specifications:Material: plastics Size: approx 9x4.85cm/3.5x2-inch Thread: 1/4-inch Note:Please allow 1-3cm error due to manual measurement. please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item.Package includes:1x Water Flow Sensor