Flow Meters & Controllers features: Water meter mechanical rotary wing 0-40℃ cold e-type 1/2" - 3/4" qn 2.5m3/h precision 0.0001m3 with all copper connector Color: we send based on the color or size of the main image of the product page. Quantity：we send based on quantity on title, if there is no quantity in the title, we send based on description. Features OOTDTY Visual display of total tonnage: Easy to read directly during meter reading Carefully record the amount of water below a ton: 0.0001 Accurate to 0.0001, Equivalent to 2/3 of the amount of water in a disposable paper cup Enlarge the lumen to reduce pressure loss:With guaranteed performance , enlarged water inlet and outlet holes of the impeller box,effectively reduce the pressure loss of the water meter Install lead seal to prevent water stealing: Lead seal is added after strict inspection before leaving the factory, That means the product is qualified, It can also prevent tampering and increase safety High standard sensitivity: Accurate to 0.0001, digital and pointer combination display All copper accessories: Anti-rust full copper connector, Equipped with leak-proof sealing ring Specification Product weight: 581g Product size: 11.5*8'8cm Packing size: 12*8*8.5cm Material: copper Wing structure: rotary wing Pressure rating: PN1.6 Installation method: horizontal installation QN: 2.5m3/h Takeover nut: 1/2" & 3/4" Temperature applicable: 0-40 degrees Celsius Package included 1 * Water Meter 1 Set Copper connector with Sealing ring