This rugged electronic balance comes with the following standard features: integrated weigh below hook, stackable design, shipping load cell lock, overload protection up to 200 lbs., 50 hours of battery life with auto shut off, security bracket (cable not included), draft shield flip top with integrated sample tray, USB as well as RS232 port, and three-button human interface. Weighing units are grams and Newtons only. Draft shield is a flip-top design with access to chamber through an innovative center opening. The flip-top acts as a protective stackable cover, as well as complete draft protection. Top cover center opening is also a sample tray “weight boat” when removed and turned upside down. Requires AC adapter (included) or three “AA” batteries (not included). One-year warranty.