【 High Precision Accuracy】  with accuracy ±2% in the
 clockwise direction and ±3% in the counterclockwise
 direction
 【Preset Value & Data Storage】 The digital torque screwdriv
 set has a preset mode and 500 sets of data storage
 functions, you can preset and save 10 groups torque value
 from P0 to P9.  By preset value and data storage
 allow you to quickly access frequently repeated applications
 【Five Measurement & Track/Peak Mode】This digital torque
 screwdriver has a big advanced Color LED display, providing
 ft-lb Nm, in-lb, kg.cm,kg-cm four measurement modes.  It can
 easily switch between peak mode (P) and track mode (T).The peak mode can record the maximum torque value.The track mode can display the torque value in real time.【 vibrate Buzzer & LED Flash Notification Alarm】When you use the electronic torque screwdriver approach thetarget torque,the buzzer will make a regular beep sound,and the LED indicate  light will change from a flashing greelight to yellow light and then red light When yourspecified torque is reached (light green when reaching 80%of target torque, light yellow when reaching 90% of targettorque, light red when reaching 100% target torque ),the proprietary ergonomic comfort grip handle will vibrate,a audible buzzer will sound,to remind you it’s time to stopSpecification[42PCS Digital Torque Screwdriver Set] Includes DigitalTorque Screwdriver x 1, 6 Point Sockets x 5, Longbits x 10 (H2, H2.5, H3, H4, H5, H6, T10, T15, T25, PH2),Short bits x 20(H2, H2.5, H3, H4, H5, H6, H8, H10, T6, T7T8, T9, T10, T15, T20, T25, T30, PH1, PH2), Extension Bar x1, 1/4" to Socket Adapter x 1, Bit Holder x 1, AAA Batteries
 x 3, Storage Case x 1.