Smartrip Electronic Digital Luggage Scale with Large LCD Display Battery Included HIGHLY ACCURATE - strain gauge sensor system. Maximum Capacity - 88lb/40kg, 10g accuracy, Unit: LB/KG//H THERMOMETER - It can be used as a thermometer. Take care of yourself on the way you travel SAVE MONEY - With this digital luggage scale no more unexpected overweight baggage fees at the airport FAST READOUT - LCD display screen with BACKLIGHT so you do not have to dangle a heavy bag for long neither strain or bend to see Power - 1 x 3V Lithium Cell CR2032 included Zero and tare function, Low battery/overload indication