As for competitive charges, we believe that you will be searching far and wide for anything that can beat us. We will state with absolute certainty that for such excellent at such charges we have been the lowest around for water detection sensor, Digital Chroma Sensor RS485, Electrical Conductivity Sensor, NO230 Tester Meter,Lawn Ph Tester. Together with the everlasting target of "continuous top quality improvement, customer satisfaction", we have been sure that our products high quality is stable and trustworthy and our solutions are best-selling at your home and overseas. The product will supply to all over the world, such as Europe, America, Australia,Gambia, Italy,Amman, Namibia.we've got all day online sales to make sure the pre-sale and after-sale service in time. With all these supports, we can serve every customer with quality product and timely shipping with highly responsibility. Being a young growing company, we might not the best, but we are trying our best to be your good partner.