Specifications: - Model: E-xtreme. - Weight (grams): 99 Gr. - Torque range : 0.5 N.cm-4.0 N.cm. - Power supply 100 V-240 V. - Frequency 50 Hz / 60 Hz. - Output: DC 5 V/ 1A. - Reciprocation function: 30°/150°,150°/30°,180°/30°,210°/30°,250°/30°. - Built-in file system. - 360° contra-angle rotation. - Miniature contra-angle for better visibility & easier posterior access.