information: Voltage: 110-240V, 50/60Hz 2020C Clipper: RPM:2-adjustable speeds for cutting versatility ( 6,000 & 7,200 revolutions per minute) * Advanced Lever-locking Feature Maintains Lever Secure For Extended Use * Longer Cutting Range opens more, from 0.5-3.5mm 2020T Trimmer: RPM: 7200 RPM Voltage: 6.5W Charging:180 minutes Use: 2 hours/4hours *Quiet motor, under 60dB, creates quiet working environment * Quiet Motor 360° Exposed Ultra Sharp T shape blade * Lithium Ion Battery Features: 1:Easy to clean-the blade repels dirt, oil and deposits, helping to prevent irritation. For simple cleaning, wipe with a damp cloth, or use a brush to clean the blade deeper, holding its base firmly to make sure it stays in place. 2:Rechargeable cordless trimmer, with or without a power cord, can provide consistent manpower, with a cordless power supply for more than 4 hours 3:Comfort and control-soft tactile handle and customized body provide you with excellent control and 360° non-slip treatment 4:Professional deluxe beard trimmer-Quick tool-less adjustment without screwdriver, just use the bevel dial to adjust the sharpness, you can get a cleaner and smoother shave, reduce bumps, ingrown hair and skin irritation 5:Beard trimmer for 2020c/2020t men's hair clipper, wireless, rechargeable, tool-free zero-gap dialing, high power, more than 4 hours battery life, y