SELLING AS IS, NO RETURNS ACCEPTED. PLEASE SEE ALL THE PICTURES. The Digital Electric PH Meter PIC is a convenient and accurate tool for measuring the pH levels of water in hydroponics systems, aquariums, and other outdoor environments. With its electric measuring technology, this pocket-sized tester provides precise readings to help you ensure optimal water conditions for your plants. The LCD display makes it easy to read the results, and the compact design allows you to take it on the go for quick testing anytime. This product is ideal for keeping your water pH levels under control for healthy plant growth.