Model number of the PANASONIC Intelligent 3-Blade Shaver is ES-ST25-K751. Sensor for shaving to get the best possible results Quick linear motor Thirteen thousand cpm Shower shaving: wet or dry 3.0 Adjustable Pivot Action Head (Flexible head) blade count 13000.0 rpm motor speed; 30-degree inner blade angle Voltage Range of Power Source: AC 100-240V One hour is needed for charging. Reusable (Cleans up easily) Pop-up Shear Measurements (H x W x D): 15 x 6.4 x 4.7 cm; 145 g in weight 45 minutes of use (about two weeks)