wosume ??????? ???? ????? Water Quality Tester, TDS-139 Portable TDS Digital Water Quality Tester Monitor Meter Pen 0-1999ppm Detector

Q: ?Has Quality Problems?? A: If The Item Is Damaged (Non-human Damage) After Arrival, Please Contact Us, We Will Give You A Satisfactory Answer! If You Like ? Can You Kindly Share Your Good Shopping Experience In Our Store? We Will Provide An Additional 30-day Quality Assurance (Non-human Damage) Specification:Condition: 100% Brand New Item Type: Water Quality Tester Material: ABS Measurement Range: 0-1999ppm (mg/l) Resolution: 1pmm Accuracy: ±2%F.S Working Temperature: 0?-50? Battery: 2 x 3V CR3032 Battery (not included) Size: Approx. 150 x 26.5 x 14.4mm / 5.9 x 1 x 0.6in Weight: Approx. 81g / 2.9oz Package List:1 x Water Quality Tester 1 x Screwdriver1 x Instruction Note:Please allow 1-3mm error due to manual measurement. Thanks for your understanding.