The CDI Torque and Angle ElectronicTorque Wrench is specifically designed to meet the needs of the torque professional where torque plus angle is required. It features three units of torque, ft/lbs and Nm, as well as an angle mode. A gyro chip senses 360-degree movement, and is accurate to within +/- 3.8 degrees. This tool features an ergonomic, non-slip cushion grip, with 15 percent flex ratchet head. It comes with a long battery life of 80 hours. This torque wrench features a convenient, push-button socket release ratchet head and three-step LED visual signal system.