This is a professional and practical universal torque wrench. Just add a regular ratchet wrench to become a digital torque wrench with the same functionality as a regular torque wrench. A low battery warning will alert you. Power-saving mode design, automatically shuts down in 80 seconds when not in use. Widely used in machinery, aviation, railways, maintenance, testing and other fields. Full-featured, small and compact, easy to use and carry. Convert any ratchet into a precision torque wrench with this digital torque adapter. When the specified torque is reached, an audio notification will sound to remind you. This torque adapter features a mode that displays final torque results after you remove the wrench so you can confirm correct specifications. Tracking mode displays the torque value when pressure is applied, preventing excessive torque. mode displays the highest torque value after load release. Type: C: 10-200NM with adapter Color: as shown in the picture material: plastic Package Contents: 1 * Digital Torque Meter Only the above package contents, other products are not included. NOTE: Light reflections and different monitors may cause the color of the item in the picture to differ slightly from the actual item. The measurement allowance is +/-1-3cm.