Accuracy: ± 0.1% or ±5 lbs whichever is greater Scale Division: 1 lb or 1 kg Weighing Range: 0-10,000 lbs. (0-4, 536kg) Operating Temperature Range: 32°F to 122°F Storage Temperature Range: -20°F to 140°F Weighing Surface: Width 14 ¼”, Length 14 ¼”, Height 15/16” Weight: 23 lbs Power: 9.6V NiMH battery pack, Rechargeable, 8x AA Operational Time: 24 Hours Calibration Software: 11 calibration points to ensure .1% accuracy Overall Dimesions: Width 17 ¼ “, Length 23 ¼“, Height 1 ½ “ Weight: 23 lbs