HW-GL series offers a comparator function to lets you set high and low weight targets. Additional features include a meterhead that tilts and rotates to best viewing angle and standard RS-232C to connect with a PC. Large LCD for easy viewing, 500 lbs x 0.05 lb, 15.4" x 20.9" platform, operates on AC Adapter or 6 D batteries. The HW-200KGL 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-200KGL in detail with additional information regarding optional accessories HERE.