Nextech DFS50 (50N/11lbf/5kgf) Digital Force Gauge, Push Pull Gauge, Peak/Track Mode, Invert Display, Pass/Fail LED, USB Output, Back-Lit Graphic LCD, Metal Enclosures Accuracy 0.2% or better of FS (Full Capacity). Tension or Compression Load. Peak Hold or Track Mode. 500 reading can be recorded on internal memory for later viewing or download. Metal Enclosures with 2x 10-32"(M5) & 4x M3 mountable threaded holes. 100-240 volts, Connect to PC using USB port for data plot or download M6 Threaded Rod attachment to Load. Menu driven, digital graphic LCD display with white back light. Latest version PC Software 'NexGraph' Plot Time vs Force, free downloadable from our web site www.forcetorque.com Power by internal rechargeable NiMH battery pack or directly from wall plug charger. Complete set include plastic case, charger, USB cable, printed manual, 3x brass plated accessories (sharp point, hook & compression plate) NIST "Traceable" Calibration Certificate included