EWM-R-30 1/4'' Drive Mini Digital Wrench Handheld Portable Digital Wrench Large Screen with Backlight Sound LED Alarm Real-time Peak Preset Mode 3 Measuring Modes Four Units Switchable M The mini digital wrench has a mini design, which is more suitable for operating in narrow spaces. At the same time, it has powerful operating functions, including setting; Unit setting; Data storage; Data delete; Data export and calibration function. Easy to operate, reducing the requirements for operators by installing a digital display screen. Suitable for bolt tightening and control in the automotive industry, mechanical industry, etc. Features: High Performance ---- Modern electric wrench with 72 Gear Teeth 5 functional keys for operating, with clockwise 2%, counterclockwise 2.5% accuracy. With sound and light alarm function, it can effectively improve the accuracy and safety of operation. Easy Operation --- Digital backlight LCD display, including setting; Unit setting; Data storage; Data delete; Data export and calibration function. Automatic shutdown without operation for 3 minutes Powerful Function --- units for (N.m、kgf.cm、lbf.ft、lbf.in). With 3 measure mode (Peak hold（P）/Real time mode（T）/Preset mode（Pre）). 999 sets of record data can be saved. Versatile Use --- This compact digital wrench can operate in tough conditions. Suitable for bolt tightening and control in the automotive industry, mechanical industry, etc. Premium Quality --- Digital wrenches made from stainless steel and industrial plastics. Adopt mini design, which is more suitable for operation in narrow space. Specifications: Model: EWM-R-10 / EWM-R-30 / EWM-R-60 / EWM-R-100 (Optional) Min. Graduation Value: EWM-R-10: 0.001 EWM-R-30/EWM-R-60: 0.01 EWM-R-100: 0.1 Max. Operating Range(N.m):   EWM-R-10: 10N.m/7.37ft.lb/88.50in.lb/101.97kgf.cm EWM-R-30: 30N.m/22.12ft.lb/265.5in.lb/305.91kgf.cm   EWM-R-60: 60N.m/44.25ft.lb/531.04in.lb/611.82kgf.cm EWM-R-100: 100N.m/73.7ft.lb/885.0in.lb/1019.7kgf.cm Connector(inch):   EWM-R-10/EWM-R-30: 1/4 EWM-R-60: 3/8 EWM-R-100: 1/2 Buzzer Setting Range(N.m): EWM-R-10: 0.3~10 EWM-R-30: 0.9~30 EWM-R-60: 1.8~60 EWM-R-100: 3~100 Accuracy*1: Clock Wise: ±2%; Counterclock Wise: ±2.5% Storage Capacity: 999 Operating Mode: Peak mold(P)/Real-time mode(T)/Preset value mode(Pre) Unit: N.m, kgf.cm, lbf.ft, lbf.in Ratchet Head Form: Bothway Ratchet Head Number of Ratch Teeth: 72 teeth Number of Buttons: 5 Battery: 2 pcs AAA batteries (not included) Operating Temperature: -10℃~60℃ Storage Temperature: -20℃~70℃ Drop Testing Height: 1m Vibration Testing Condition: 10g Life Test*2: 10000times Material: ABS+steel Item Size:  EWM-R-10 & EWM-R-30: 23.5 * 4.7 * 3.8 cm / 9.25 * 1.85 * 1.5 inch EWM-R-60: 24.5 * 4.7 * 3.8 cm / 9.64 * 1.85 * 1.5 inch EWM-R-100: 29 * 4.7 * 3.8 cm / 11.42 * 1.85 * 1.5 inch Item Weight:  EWM-R-10: 392g / 13.83oz EWM-R-30: 390g / 13.76oz EWM-R-60: 514g / 18.13oz EWM-R-100: 723g / 25.5oz Package Size: 34 * 8.3 * 6.5 cm / 13.38 * 3.27 * 2.56 inch Package Weight:  EWM-R-10: 696g / 24.55oz EWM-R-30: 700g / 24.69oz EWM-R-60: 804g / 28.36oz EWM-R-100: 1106g / 39.01oz Package List: 1 * Wrench 1 * Storage Box 1 * User Manual (English)