• Battery: 3.7V/1000mAh;
• Power Supply: ~100-220V, 50/60Hz;
• Power Consumption: ≤0.6W;
• Screen: 3.5″ TFT wide-angle LCD;
• Audible Signal: The sound will alert when the file is less than 2.2 mm from the apex;
• Operating Conditions: Ambient Temperature: +5℃ ~ +40℃. Relative Humidity: ≤80%. Atmospheric Pressure: 70kPa ~ 106kPa.