... Resolution LCD Display Digital Protractor TT09066-01 It is widely applied in Auto Industry, Mechanical Machinine, Construction Industry, Railway system, Electronic ... .05° at 0°&45°&90°, the rest≤0.1°2.Super Large LCD Screen. (60mm*30mm)3.Beeper at 0,45,90 degree4 ... °Working Current <100μAWorking Temperature: -5°C~+50°CPower: 2×AAA Alkaline BatteriesBattery Life: More than 5000 hours. High Accuracy ...