Features: and Stable performance: simple working principle, stable and reliable performance, long working life, light volume. Withstand strong pressure: It can be used in a large liquid pressure range, and can withstand more than 1MPA at most. High degree of protection: it can be used in indoor or outdoor environments. Adjustable: The flow range can be adjusted, allowing the user to select the flow setting value according to the needs of the system. Wide range of applications: it can be used in swimming pool equipment, gas meters, water meters, coffee machines, water heaters, and central air conditioners. Package Includes:1x Water Flow Switch Sensor Specifications:Material: Plastic, MetalWorking Voltage: 100VWorking Temperature: -10-100Measuring Range: 1L or minWorking Current: 0.5AMaximum Temperature Resistance: 100Power Supply: 100V3c Rated Voltage Range: 100V note:1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.