Rugged construction of the HW-GL series translates into a reliable and extremely durable scale. Optional RS-422/485 is available on any of the HW-GL Series making them the perfect choice to integrate into automated test stations. Large 15.4" x 20.9" stainless steel platform, operates on AC Adapter or 6 D batteries. The HW-100KGL comes standard with a post and A&D has designed the scale to also be used without the post. Separate the display from the base with a distance up to 60 inches or you can purchase an optional Display Extension Cable allowing you to extend the length to 17 feet. You can also review the specifications on the HW-100KGL in detail with additional information regarding optional accessories HERE.