Features: Easy and convenient to use. Good quality material, durable in use. Can be used for water purifier, dishwasher and more. High-precision, ultra-small flow start/ultra-high resolution. Quiet operation, hygiene and safety, low voltage operation. Specifications: Material: Plastics Applicable Ambient Water Temperature: 5-45 ℃ Ambient Humidity:<85% Applicable Water Pressure: ≤0.8Mpa Storage Ambient Temperature: - 20-50 ℃ Humidity:<85% Interface Type 1/4 "Quick Plug Interface Action Form: Water Pushing Minimum Star-up Flow 300mL/min Switch Type Normally Open-Reed Tube Wire Length 50cm Withstand Voltage DC100V Contact can Withstand 20MA at most Working life=100000times Size: Approx. 53.6x28.7mm/2.11x1.13in Package Includes: 1x Water Flow Sensor note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.