Product Details Fangrui Product Details High Precision And High Resolution. Three Measurement Mode For Selection (real Time, , First ). N(), Kg (kilogram), Lb (pound) And Oz(ounce) Four Units For Selection And Conversion. Setting Function Of Acceleration: User Can Input At Your Option The Accurate Value Of Acceleration At The Using Place So As To Make The Testing And Unit Conversion Be More Accurate. Buzzer Alarm Function: Upper And Lower Limits Can Be Set For Statistic Analysis. The Buzzer Alarm If Exceeding The Limits. Minimum Force Value Shielding Function: The Data Within The Set Minimum Range Can Be Shielded. Automatic Shutdown Function: The Automatic Shutdown Time Can Be Set, And The Automatic Shutdown Can Achieve A Point Saving Effect When There Is No Operation For A Long Time. Power: 2pcs Aa Battery (1.5v*2) (battery Not Included In The Package) Automatic Backlight, Buzzer Alarm Function. Maximum Load Value: Kf-50: 50n, 5kg, 11lb, 180oz Kf-500: 500n, 50kg, 110lb, 1800oz Load Division Value: Kf-50: 0.01n, 0.001kg, 0.01lb, 0.1oz Kf-500: