400mm Digital Protractor 0-225 Degree Electronic Angle Dual Spirit Level Measure Gauge Ruler for Measuring Tool

📐 Measuring Range and High Accuracy: With 0-230° of measuring range, 0.1° of increment, ±0.5°(9mm/m) of accuracy, allow you to measure angle precisely and quickly., 📐 Mitre Gauge Function: It is also used as a mitre angle calculator, transfers the miltre angle for your mitre/slide saw., 📐 Mitre Gauge Function: It is also used as a mitre angle calculator, transfers the miltre angle for your mitre/slide saw., 📐 Readout Frozen and Auto Power Off: The hold function of readout offers you great convenience when working. After 5 minutes of no operation, the unit would power off automatically, for extending the battery life., 📐 Easy Operation and Wide Applications: As a quick protractor , is an ideal DIY tool for remodeling houses, door andWindows installation and much more.