Dymo Pelouze 4040 400 lb. Digital Shipping Scale The remote display mounts on wall at eye level for easy viewing when box is on platform. Steel platform and base. Shock-Resistant load cell weighing mechanism. Operates on a 9 volt battery, not included, or AC adapter, included. Durable- Rugged scales made to handle heavy duty packages and containers The remote display mounts on wall at eye level for easy viewing when box is on platform. Steel platform and base. Shock-Resistant load cell weighing mechanism. Operates on a 9 volt battery, not included, or AC adapter, included. Sold by the EA