The Andis Professional Master Corded/Cordless Hair clipper is great for trimming necklines and making minor adjustments. The new upgraded motor increases speed, power, and battery life. Modern lithium-ion batteries deliver consistent power. They will not stutter or drag during the cutting process. Constant speed technology ensures that the maximum amount of power is available for optimal results. The lithium-ion battery has a capacity of 2 hours and can be charged in 90 minutes. The kit contains one trimmer, a charging stand, a charging adapter, a blade cleaning brush, and blade oil.