COMPUTE-A-CHARGE 220 lb. Electronic ScaleWith accuracy specifications exceeding all OEM requirements for charging accuracy, that is twice as good as any competitive unit on the market.The Standard Series of Compute-A- Charge scales are performance leaders in accuracy and reliability and the standard by which all others are measured. The competition simply doesn't measure up!Item Features: Calibrated to strict NIST Standards at our manufacturing facility in Hialeah, FL Accuracy specification exceeds all OEM requirements for charging accuracy and is twice as good as any competitive unit on the market Temperature compensated over the entire operating temperature range to maintain charging accuracy under all ambient conditions Environmentally sealed strain gage beam load cell technology first introduced by CPS in 1985 Designed to withstand overloads of 150% High contrast wide angle LCD Display for ease of viewing Platform can be removed from carrying case Magnetic back on handheld unit Hanging hook User selectable automatic power off to conserve batteries Powered by 2 (9V) batteries providing 60 hours of continuous useItem Specifications: Work load capacity: 220 lbs. (100kg) Operating Temperature: 14-¦F to +122-¦F / -10-¦C to +50-¦C Accuracy: 0.05% of reading or -¦ 0.2oz / (-¦ 5g) whichever is greater / twice as good as competitive units Resolution: -¦0.25oz / -¦10 gram Overload Protection: Visual, electronic and mechanical Platform Dimensions: 8 -+' x 8 -+' / 22.23cm x 22.23cm Weight: 5.6lb / 2.55kg Power: Two 9V batteries (included) Battery Life: 60 hours of continuous use Battery Indicator: Battery symbol with 3 segment display Readout: Imperial / Metric Warranty: 1 year Made In USA