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Absolute zero, zero setting is not needed when batteries are replaced
Button function: choose 0-90°, 0-180° or 0-360° display, change resolution, display flips over, data hold, zero, on/off supplementary angle measurement
Battery CR2032, automatic power off
Made of stainless steel
Optional square for zero setting
Range: 0-360°
Resolution: 1/0.01
Accuracy: ±5'
