ITEM NAME:Professional 169E Orp Detector Redox Tester Waterproof Orp Meter Ph Measure A7X6 Professional 169E Orp Detector Redox Tester Waterproof Orp Meter Ph Measure A7X6 Resolution: 1mV Accuracy: 5mV Power supply: 4 1.5V (AG-13 button cell) Operating temperature: 0- 50 Weight: 118g colour:White & green Material:ABS size:188*35mm Package Contents: 1* test meter 1* small wrench
