Features:
EC conductivity meter for test the quality of water.
Convenient, efficient and accurate.
LCD digital display, easy to read.
Used to test the quality of various water.
Long battery life.
Provide a leather case.
Ideal instrument for aquarium, fishing industry, swimming pool, laboratory, etc.
Great for water filters, food (vegetable, fruits) and drink quality monitoring, pools and spas, aquariums, hydroponics, etc.

Specifications:
TDS range: 0-9990ppm/mg/L
Color: Blue 
Temperature range: 0 - 50 °C
Auto shut-off: 10 minutes
Accuracy: ± 2 % 
Powered by 2 LR44 cell batteries (included)