For professional users only with specialized training. Deep discharge protection: The machine automatically shuts off when the battery is nearly empty. Delivered in a box without battery, charger, or bag. Handy chainsaw with a powerful motor for high chain speed and quick cuts. Features automatic chain lubrication and allows for chain replacement and tension adjustment without tools. Equipped with a chain brake. One battery charge lasts for approximately one tank of oil. Battery chainsaw with top handle, approved only for professional users with specialized training. Not included: battery and charger.