1/4 10N.M -30N.M Digital Wireless Torque Wrench Adjustable Professional Electronic Torque Wrench Bike car Repair Noted:Shipping without batteries,the batteries are two 1.5V 5# batteries Functional Characteristics Backlight function, measurement data can be read clearly by large screen; Clockwise 2%, counterclockwise 2.5% accuracy ( guaranteed range of accuracy is 20%100% of full range); clockwise and counterclockwise operation are all feasible; The buzzer and indicator are triggered when the predetermined torque value is reached (limited peak mode and preset mode).; four engineering units(N.m,kgf.cm,lbf.ft,lbf.in); Three measurement mode: real-time mode, peak value mode and preset mode; Storage and record function of numerical value; Wireless data transmission function; NO Name NO Name 1 square head of Ratchet torque (reverse side) 5 (Liquid Crystal Display) 2 two-way ratchet head 6 function key 3 diversion plectrum 7 grip handle 4 indicator light 8 battery cover Name 1 storage value 6 up key/work mode selection 2 working direction 7 save key/view key of stored data 3 work mode 8 down key/preset value adjustment key 4 engineering unit 9 menu/unit key 5 force value display 10 power key/reset key Model ordinary 10 30A 30B 60 85 135A 135B 200 340 500 850 Head can be changed 10 30A 30B 60 85 135A 135B 200 340 minimum scale value 0.01 0.1 maximum operating range N.m 10 30 30 60 85 135 135 200 340 500 850 lbf.ft 7.37 22.12 22.12 44.25 62.69 99.57 99.57 147.5 250 368.7 626.8 Lbf.in 88.50 265.5 265.5 53