This meter features advanced technology for accurate measurement of water purity ( 0-9999PPM Ranges) with ±2% error margin, ideal for testing tap water, purified water and mineral content to Secure family drinking Features splash proof construction that allows simple cleaning with water after each use, ensuring long lasting hygiene and durability for daily water needs Available in 1 / 2 / 5 piece sets with spare battery combinations, designed for both individual portable use and multi scenario household needs while eliminating frequent battery replacement hassles The 154x30mm bodied tester fits perfectly in your palm for easy carrying, making it perfect for outdoor water checks during travel or camping activities Get water readings within 3 seconds without complicated calibration, providing efficient testing Solution for busy households compared to traditional time consuming methods, Manufacturer: Tsophreniq