Andis Profoil Lithium Titanium Foil Shaver #17150 Lithium-ion battery provides maximum power. Delivers over 1 hour of runtime on a single charge – 2x longer than other shavers. Lightweight – less than 5 ounces. Powerful and quiet rotary motor. Gold titanium hypo-allergenic foil for irritation-free shaving. Rotary Motor: 100/240V | 50/60Hz | MAX 9000SPM In The Box: Dual Voltage Charger Brush Blade Guard