Technical characteristics:

• Backlit 42 x 33 mm LCD display
  
• Measurement ranges:
  
• pH: -2.00 to 19.99 ± 0.01
  
• mV: ± 1999 mV ± 0.1%
  
• Automatic range change
  
• Waterproof appliance
  
• Automatic temperature compensation from 0 to 100 ° C
  
• Automatic calibration (in 1 to 3 points)
  
• Storage of 100 groups of data
  
• Dimensions: 65 x 120 x 31 mm
  
• Mass: 180 g
  
• Supplied with 2 AA batteries, 3 vials (50 mL) standard solution (pH 4.00, pH 7.00 and pH 10.01), a pH 3 in 1 probe, and a plastic storage and protection case.