This hair trimmer, the Wahl Professional 5 Star Cordless Senior Clipper Model 8504, boasts industry-leading specifications designed for optimal performance. It can be powered by both mains and battery operation, providing ultimate versatility. Suitable for both body and head hair, the clipper features a STAINLESS STEEL blade material and has obtained the Commodity Quality Certification ce. With a cutting length ranging from 11 - 20 mm and the use of interchangeable nozzles for length adjustment, this clipper is certified to meet CE standards. It also boasts a maximum battery life of 51 - 90 minutes and comes with 5 or more interchangeable nozzles. Other features include fast charging, a charging indication, and a powerful vibratory motor. The minimum cutting length of 0.5 - 1 mm allows for precise and customizable trimming. The battery charging time is up to 2 hours. Rest assured, this product is a wise choice with semi-customizable options. Before