COMPUTE-A-CHARGEa® 240 lb. Wireless Electronic ScaleCPSa® Products proudly introduces its new line of cordless RF charging scales, including the first fully automatic programmable RF controlled unit featuring set it and forget it software. For over 27 years Compute-A- Chargea® has been the brand you can trust for performance accuracy and reliability.Item Features: Operates in the international ISM band for worldwide use Advanced communication software ensures uninterrupted connectivity between hand-held display unit and scale platform 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 four AA alkaline batteries (scale platform) and one 9V alkaline battery (display unit) Item Specifications: Work load capacity: 240 lbs. (110kg) Operating Temperature: 14a°F to +122a°F / -10a°C to +50a°C Accuracy: 0.05% of reading or a± 0.2oz / (a± 5g) whichever is greater / twice as good as competitive units Resolution: a±0.25oz / a±10 gram Overload Protection: Visual, electronic and mechanical Platform Dimensions: 8 a¾" x 8 a¾" / 22.23cm x 22.23cm Weight: 8lb 15 oz. / 400kg with batteries Power: Powered by four AA alkaline batteries (scale platform) and one 9V alkaline battery (display unit) included Battery Life: 32 hours of continuous use Battery Indicator: Battery symbol with 3 segment display RF Frequency Range: 2.4 GHz ISM band RF Transmission Range: 30 ft. / 9 m Readout: Imperial / Metric Warranty: 1 year MADE IN USA