1.WIDE APPLICATION-Suitable for drinking water, swimming pool, aquarium, reverse osmosis system, spa or . 2.EASY OPERATION-Wide application range, fast measurement and simple operation, to use. 3.SENSITIVE ELECTRODE SENSOR-The water quality tester has a sensitive electrode sensor to read accurate values. 4.ACCURATE MEASUREMENT-High sensitivity probe for more accurate measurement, more practical to use. 5.PREMIUM MATERIAL-Adopting high quality ABS material, resistant to corrosion and durable in use. Material: ABS colour: As shown Package Contents: 1 x Water quality analyzer Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.