Digital Torque Adapter + Angle Function. Operating Temperature ≫ -10°C~ 60°C. Storage Temperature ≫ -20°C~ 70°C. Humidity ≫ Up to 90% non-condensing. Drop Test ≫ 1m. Shaking Test ≫ 10G. Service life test ≫ 10000 cycles. Environmental test ≫ PASS. EMC test ≫ PASS. Angle Function. Accuracy : clockwise +/- 1.5% counterclockwise +/- 2.5%. Digital Torque Adapter + Angle Function