Model #: D-8. BEST FOR: Trimming necklines&light-duty touch-ups. Lithium ion battery delivers up to 2 hours of run time with a 2 hour, 15 minute charge time. Improved motor for increased speed, power&life. Balanced, ergonomic trimmer for light-duty touch-ups&trimming around necklines. Rotary Motor: 120V | 50/60Hz | MAX 6000SPM.