... LCD display with back-light tension calibration Force Gauge,electronic dynamometer,load cell, force tester,engine tester1. ... Peak,Accumulate,Hold,Unit,Voltage etc.11. Option: wireless indicator handhold12. Wireless transmission distance: no less than 200 meters when ... steelERT50000kg20kgAlloy steelERT100000kg50kgAlloy steelERT200000kg100kgAlloy steel tension calibration Force Gauge