ITEM NAME:G1/2" Water Sensor Switch Description: Can use for Water heaters, credit card machines, water vending machine, flow measurement device. Lght weight, small size, easy to install. Inlaid with Metal impeller shaft, durable wearable. Seal Ring with the upper and lower force structure never leaks Water Flow rate, water temperature can be detected simultaneously Specification: Model: YF-B4 Threaded connection: 1 / 2inch Working Flow Rating: 1-25L / min Rated voltage: DC5-15V Water pressure resistance:> 1.75MPa Operating voltage range: DC5 ~ 15V Insulation resistance:> 100M&; Flow pulse characteristics: (8.1Q-3) Q = L / Min  ± 10% Output high pulse:> DC 4.7V (input voltage DC 5V) Material: Metal Color: Gold Package Includes: 1 x Water Flow Sensor Switch SKU: DMO0011856651006696.1 x Water Flow Sensor Switch. Water Flow rate, water temperature can be detected simultaneously. Water pressure resistance:> 1.75MPa. Seal Ring with the upper and lower force structure never leaks. Color: Gold.