Model Number: ez-9909Display Type: DigitalWith Backlight Or Not: YESMulti-functional water quality testerConductivity measurement range: 0 to10000uS/cm 10.01-19.99ms 20.1-400ms/cm. accuracy: 2% of the readingTDS measurement range: 0 to 1000ppm 1000ppm to 10000ppm 10.1 to 200.0 PPTSalinity measurement range: 0.00 to 25.00% resolution: 0.01%PH measurement range: 0.01-14.00pH, resolution: 0.01pH, accuracy: 0.05pHColour:As shownMaterial:plasticPackage Contents:1 x 5 in 1 Water quality tester(with backlight)1 x English manualOnly the above package content, other products are not included.Note: Light shooting 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. Product Notes: Please allow a little manual errors.Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please confirm acceptance before ordering. About Shipping: Please ensure your shipping informations are correct to avoid delivery issues. All orders are shipped within 3 days after payment. Delivery usually takes 8–12 days, The specific delivery time is depend on circumstances. If you have any questions during your purchase, feel free to contact us. We will respond you within 261 hours.