Features:- Water Resistant Design: Meeting daily testing requirements.- Quality Material: Made of quality ABS material, more durable.- Backlight Display: Easy to read and does not affect the use in the dark.- Data Hold: Data recording, convenient for measurement.- Automatic temperature compensation- Replaceable Electrode: High cost performance.- Multiple Measurements: 2 in 1, pH/EC Measurement.- Wide Application: Suitable for the measuring of drinking water, hydroponics, aquarium, swimming pool, laboratory, etc.Specifications:Plug Type: US/EU/UK (Optional)Material: ABSColor: BlackTemperature Compensation: 0-50Operating Temperature: 0-50Measurement Range:pH: 0.00-14.00pHEC: 0-19.99ms/cmResolution:pH: 0.01pHEC: 0.01ms/cmAccuracy:pH: 0.1pHEC: 2%F.SItem Size: Approx. 12.8*8.8*2.5cm / 5.04*3.46*0.98inItem Weight: Approx. 154g / 5.43ozPackage Size: Approx. 30*18*6.5cm / 11.81*7.09*2.56inPackage Weight: Approx. 538g / 18.98ozNote:Please read the Users Manual before use.Packing List:1 * Digital Tester1 * Probe Line1 * Screwdriver1 * Sensor Interface Silicone Dust Cover1 * Bracket2 * Sucker1 * Power Adapter1 * Users Manual(English)