20mm Artificial Lawn Simulation Lawn Plastic False Turf Mat Decoration Green School Turf Grass Height Three Color Grass 1 Square Meter Dust Masks The refractometer is designed according

The refractometer is designed according to the principle that different concentrations of liquid have different refractive index，It's fast、accuracy、Light weight、Small size and other advantages。

Data retention，Large and small value holding function

Humanized buttons

Place in the kitchen

Sawdust moisture detector

20mm Artificial Lawn Simulation Lawn Plastic False Turf Mat Decoration Green School Turf Grass Height Three Color Grass 1 Square Meter Dust Masks The refractometer is designed accordingHandling Day: 1 3 Days Arriving Day: 15 35 Days [SHORTDESCRIPTION] Features Adopt special material, do not open glue and do not fade High degree of imitation, clear veins Environmental health, qualified inspection