Large digital display with backlight, supports display of torque value, unit, working mode, and data storage number, easy to understand. Two-way measurement, supports adjustable torque in clockwise and counterclockwise directions, suitable for use in both forward and reverse directions. Accuracy: 2% clockwise, 2.5% counterclockwise. Designed for use with a ratchet handle (sold separately). Features two working modes: switchable between "Trace" tracking mode and "Peaks" peaking mode. Offers four selectable torque units: kgfcm, Nm, lbfft, and lbfin. Equipped with sound and light alarm for preset torque values. When the target torque is reached, the buzzer sounds and the red indicator light turns on. When used with a standard ratchet, functions as a digital torque indicator similar to a digital torque wrench. Handle sold separately. Suitable for automotive, bicycle, and machinery repair applications. Product Name: Digital Torque Meter Model: TQA2-200 Power Supply: 2 x AAA batteries (not included) Accuracy: 2% (clockwise), 2.5% (counterclockwise) Data Storage Capacity: 999,999,999,999 Resolution: 0.01, 0.1, 0.1, 0.1 Display Range: 0.330, 1.35135, 2200, 3.4340 (corresponding to each unit) Alarm Range: 0.930, 4135, 6200, 10340 Accuracy Operating Range: 20100% of full scale for all units Drive Sizes: 1/4 inch, 3/8 inch, 1/2 inch, 1/2 inch Operating Mode: P (Peaks) / T (Trace) Torque Units: kgfcm, Nm, lbfft, lbfin Number of Buttons: 6 Operating Temperature: -20C to 70C Operating Humidity: 15% to 90% RH (non-condensing) Auto Power Off: After 60 seconds of inactivity Note: Packaging may vary. Product design may be updated across batches; slight variations in appearance or color may occur and do not affect performance. Material: Plastic Color: Black Package Contents: 1 x Digital Torque Meter (as one set) Only items listed are included; additional accessories not included. Note: Lighting effects and monitor settings may cause slight color differences between images and actual product. Measurement error: 13 cm.