Feature:1. With the lacklight function, so you can use at light or dark environment, which can give you a better using experience.2. With the bu-zzer and LED light flashing alarm prompt, which can alarm you in time.3. Pe-ak and trace mode conversion: which can instant display record pe-ak.4. Horizontal display function suitable for the occa-sion of reading angle requirements, you can use it in different occasions.5. Three torques unit conversion: kg.cm, in.lb, N.m, you can choose the suitable unit for different needs.6. Power saving design, it will automatic shutdown for 60 seconds no operating, which can save the power for a long using life.Specification:This is an utility tool for you to use in your daily life, you can connect it with the a ratchet wrench(not included), immediately become a digital display torque wrench, it is also small in size and easy to carry, so you can take it to anywhere you want to use it, come on and try it, it will not let you down.Features:With the lacklight function, so you can use at light or dark environment, which can give you a better using experience.With the bu-zzer and LED light flashing alarm prompt, which can alarm you in time.Pe-ak and trace mode conversion: which can instant display record pe-ak.Horizontal display function suitable for the occa-sion of reading angle requirements, you can use it in different occasions.Three torques unit conversion: kg.cm, in.lb, N.m, you can choose the suitable unit for different needs.Power saving design, it will automatic shutdown for 60 seconds no operating, which can save the power for a long using life.Specifications:Material: ABSType: RM3-135AN, RM4-200AN, RM4-340AN (optional)Accuracy: ±2%Memory: 50Resolution: 0.1Display range:RM3-135AN: 1.35~135N.mRM4-200AN: 2~200N.mRM4-340AN: 3.4~340N.mAlarm range:RM3-135AN: 6.8~135N.mRM4-200AN: 10~200N.mRM4-340AN: 17~340N.mAccuracy guarantee range:RM3-135AN: 27~135N.mRM4-200AN: 40~200N.mRM4-340AN: 68~340N.mDrive he-ad:RM3-135AN: 3/8inch drRM4-200AN: 1/2inch drRM4-340AN: 1/2inch drModel: pe-ak/traceUnits: kg.cm, in.lb, N.mPower supp-ly mode: 3 * AAA battery (not incuded)Operating temperature: -10℃~60℃Storage temperature: -20℃~60℃Relative humidity: 15~90%Auto power off: 60sPackage size: 126 * 125 * 80mm / 5.0 * 4.9 * 3.1inPackage weight: 360g / 12.7ouncePacking list:1 * Torque Meter (optional)1 * User ManualPackage List:1 * Torque Meter (optional)1 * User Manual