The Dremel Cordless 4V USB Rechargeable Electric Screwdriver HSES-01 is a powerful and efficient tool that comes with a Lithium-Ion battery and a charging time of 2 hours. It has a 1/4 inch chuck size and a brushed motor type. The screwdriver is lightweight and features Smart-Stop Technology. It is a perfect fit for those who need a reliable and easy-to-use screwdriver for their DIY projects.