Digital Torque Wrench. LCD display. Operating Temperature ≫ -10°C~ 60°C. Storage Temperature ≫ -20°C~ 70°C.◈ Humidity ≫ Up to 90% non-condensing. Battery Life(standard mode) ≫ 1 year. Battery Llife(continuous operation) ≫ 110 hrs. Drop Test ≫ 1m. Shaking Test ≫ 10G. Service life test ≫ 10000 cycles. Environmental test ≫ PASS. EMC test ≫ PASS. Accuracy : clockwise +/- 1.5% counterclockwise +/- 2.5%. Digital Torque Wrench