1. Model: U-512 2. Voltage: 100-240V 50/60Hz 3. Power: 5W 4. Net weight: 130g 5. Bare metal size: 150 x 40 x 37mm 6. Rounded cutter head, R-shaped acute angle design, fits the scalp, does not hurt the skin 7. Sharp blade, delicate and smooth, not easy to heat when rubbed