Tds-3 Portable Lcd Digital Tds Meter Pool Home Purity Testing Penwhite Specifications: Portable and lightweight, easy to carry around. LCD display screen, easy to read the value. It can be used in water purifiers and filters, drink quality monitoring, pools and spas, aquariums, hydroponics. Item Name: TDS Meter Material: ABS Measurement Range: 0-9999ppm Error Range: ±2% Temperature Range: 0-50 Degree Celsius Battery: 2 x 1.5V CR032 Button Battery (Included) Features: Easy to Use, Water Tester, Portable Size: 15.5cm x 3.1cm x 2.3cm(Approx.) Notes: Due to the light and screen setting difference, the items color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x TDS Meter (Including Battery)