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• Handheld TDS Water Test Pen Digital Water Tester Water Quality Analysis Meter Water Purity Check Measurement PH Meters Description: Measurement range: 0-9990ppm Error: 2%-3% Voltage: 3V(4 button batteries) Size: 25*14*134mm Weight: 40g Specifications: 1 strength consumption clever chip: higher accuracy, extra accurate detection and extra steady high quality 2 Carry the mini figure with you: test the purity of water quality anytime, anywhere, anytime 3 Titanium alloy probe: extra correct test, increased sensitivity, stronger sensitivity, more correct examine four seconds short measurement: quick and accurate, smooth to operate and verify at the boot Automatic shutdown in 5 minutes: when the instrument is robotically shut down in 5 mins without any operation, the provider life of the battery is prolonged 6 Key lock intelligent memory: press HOLD to lock the after the worth is steady Package Included: 1 * Water Quality Inspection Pen

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