Accuracy: ± 2% clockwise (± 3% counter clockwise) between 20% and 100% screwdriver capacity. Resolution: 0.1 cN.m. Measurement mode: tip or follower. 1/4" outlet with auto-locking system for series 1 and series 6 bits. Measurement unit: cN.m, in.lb, Kg.cm . 9 torque presets available. Memory 250 values with PC USB link. Locking keypad (program selection and result log only accessible to the operator). Hole in the handle for strapping when working in high places. Supplied with 1 AAA-LR03 1.5V battery. Supplied with an ISO6789 calibration certificate. Supplied in plastic case and foam module, dim. (L.xW.xH.): 570x100x70 mm. USB cable E.S404-USB and plugs E.S404-KIT set available as spares.