1. DISPLAY ORP VALUE IN mV UNIT !

Q1: Hong long can you make devliery after we make order for Hot Selling orp controller?

A1: Our standard delivery is 3 days, if you don't have stock, we will let you know in time. 

Q2:Is this AZ8551 orp controller is original one?

A2: YES! If there is any fake product, we promise to return you full money. We are a sole agent of this brand in China mainland.  All our products are 100% original ones with top high quality

Shipping notice:

When we ship out the product, no batteries will be included, as battery is not accepatable by air shippment or delivery, thanks a lot for your kindly understanding.