ITEM NO: DTD-360A Angle Accuracy: ±2° (rotating 90° at speed of 30°/sec) Measuring unit: Degree Resolution: 0.1° Target range 1° - 360° (increment 1°) Rotation angle range up to 999° 9 preset target values Storage Memory: 50 Readings Clockwise and Counterclockwise operation 6 way lights and buzzer when angle value is reached Low battery indicator and auto shut off (after 2 minutes)