Professional cordless trimmer durability provides with chrome-plated stainless steel blades with staggered teeth for faster feeding and optimal blending, durable and highly efficient lithium battery with no memory effect, adjustable lever contains 8 parts, oil, brush, comb, 1 3/16mm comb, 1 1/8mm comb, 1 1/2mm comb, voltage 100-240V, frequency 50-60Hz (300mA), 4.0V (2000mA), high-impact metal structure.