💧 Dive into Clarity with Every Drop! Lock in your measurements with a simple press of a button for easy viewing. Our professional service team is here to ensure your complete satisfaction. Backlight LCD ensures visibility in any lighting condition—no more squinting! Experience high accuracy with a sensitive glass probe for reliable readings. Perfect for drinking water, pools, aquariums, and more—one device does it all! 0.01 pH resolution 0-14 pH range Pocket-sized design The GuangYing 5 in 1 PH Meter is a versatile and high-accuracy water testing kit designed for measuring pH, TDS, EC, salinity, and temperature. Ideal for various applications including drinking water, pools, aquariums, and hydroponics, it features a sensitive glass probe, a wide measurement range, and a user-friendly backlight LCD display. With a compact design and professional support, this meter is perfect for anyone seeking to ensure optimal water quality.