used to monitor water quality
measures PH, EC, TDS and TEMPERATURE
Large LCD screen to display the result
including instruction manual, 3 batteries
and 3 powder PH solutions 250ml:
PH 4.01 / PH 6.86 / PH 9.18
measuring ranges:

PH: 0-14 PH
TEMPERATURE: 0-50°C / 32-122°F
TDS: 0-1999 ppm / 0-19.99 ppt
EC: 0-1999 uS/cm / 0-19.99 mS/cm

Dimensions: 188×35×35 mm
WATERPROOF