The Martin Sprocket and Gear Electronic Torque and Angle Meter can be used with any wrench, breaker bar, or hand driver. The tool is compliant with both ISO and ASME B107-28 Type 1 standards. The torque and angle meter has a +/-1 percent accuracy of torque reading (CW and CCW). It also features a warning LED, buzzer, and vibration. Other features include angle preset from five degrees to 360 degrees, angle memory during ratcheting, Li-ion polymer rechargeable battery, auto power-off after two minutes, and up to 200 hours of continuous operation.