Descriptions: 0-200mm 8'' Digital Meter Angle Inclinometer Angle Digital Ruler Electron Goniometer Protractor Angle finder Measuring Tool. Specifications: Material: Stainless steel. Measuring Range: 0.00°~999.9° (more than 999.9° incorrect display). Working Temperature: 0℃+50℃. Working Humidity: ≤85%RH. Resolution: 0.05°/3'. Accuracy: 0.3°. Usage: 1. Hanging hole. 2. Ruler. 3. LCD. 4. Battery container. 5. Locking knod. 6. D/M button: Conversion between Deraee and angle. 7. HOLD button: Hold the measurement at angle. 8. ON/OFF/ZERO button: Can be zero in any position. Long pres ON/OFF/ZERO to power off. Aoto power off. Features: - Locked at any angle, help you to keep data when you use it; - Laser scale, clear wear-resisting; - Battery: CR2032 3V lithium battery; - 0-360° Comprehensive measurement. Package Included: 1 Pc x Digital Angle Ruler