PATENTED FRAME MOUNTED SENSOR MEASURES DEFLECTION CAUSED BY THE LOAD DISPLAYS UP TO 4400 LB. CAPACITY IN 10 LB. INCREMENTS LCD DISPLAY WITH ""H CHARACTERS SCALE OPERATES ON (4) AA BATTERIES (INCLUDED) 3-POSITION HAND CONTROL 210 DEGREE STEER ARC 7"" POLYURETHANE STEER WHEELS 2-"" LOAD WHEELS NOTE RECALIBRATION MAY BE REQUIRED FOR ACCURACY