Feature 1, Five torque unit conversion: Mn, kgf.m, kgf.cm, l-lb, f-lb. 2, Two modes, peak mode and tracking mode, which can real-time display and record the peak. 3, Fifty group number memory functions, which is practical. 4, Forward: ±2%, reverse: ±3%. 5, Alarm: sound alarm and LED flashing start when the preset torque range is reached.Features: 1. Five torque unit conversion: Mn, kgf.m, kgf.cm, l-lb, f-lb. 2. Two modes, peak mode and tracking mode, which can real-time display and record the peak. 3. Fifty group number memory functions, which is practical. 4. Forward: ±2%, reverse: ±3%. 5. Alarm: sound alarm and LED flashing start when the preset torque range is reached. 6. Low battery warning, which allows you to charge it in time. 7. Power-saving mode design, it will shutdown after 80s while not use. Specification: Condition: 100% Brand New Accuracy: ±2% Memory: 50 sets Resolution: 0.1 Warning Range: 1.5-30N.m Display Range: 0.3-30N.m Accuracy Range: 20-100% Drive Head: 1/4in dr Operation Mode: Peak/trace Unit Options: Kilograms/Meter, Inches/Pound, Meter Size(L x H): Approx. 70 x 40mm/2.8 x 1.6in Battery: 2 x AA (Not Included) Operating Temperature: -10-60℃ Storage Temperature: -20-60℃ Humidity: 15-90% Automatic Shutdown: 80s Package List: 1 x Digital Torque Wrench Adaptor