This is a professional universal torque wrench with practicality. Just add a common ratchet wrench to become a digital torque wrench with the same function as a normal torque wrench. The low battery warning reminds you. Power saving mode design, when not in use, 80 seconds off automatically. Widely used in machinery, aviation, railway, maintenance, inspection, etc. Full-featured, small and compact, easy to use and carry. Convert any ratchet into precision torque wrench with this digital display torque adapter. A progressive audio notification alerts you when reaching specified torque. This torque adapter has a PEAK mode to show final torque results after you've removed the wrench so you can confirm the correct spec. TRACK mode displays torque value as pressure is applied, prevents over-torquing. PEAK mode displays highest torque value after load is released. Type:A:10-200Nm/B:2-200Nm/C:10-200NM with adapter/D:0.3-30Nm Colour:As Shown Material:plastic Package Contents: 1 * Digital Torque Gauge Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.