Digital large size LCD display .
Test Range: 5% to 40% .
Resolution: 1% .
Accuracy: ±1% .
High resolution and quick response .
Date hold and can hold value .
Symbol and unit display， read and get conveniently .
Low battery symbol “ ”.
Power: one 9V battery .
Dimension: 150×67×32mm .
Weight: approx. 140 g (including battery).