Newegg :  Hutt High-Precision Electronic Luggage Scale LINK

Features Include:
Highly precise strain gauge sensor system
Maximum capacity 88 lbs. (40kg)
Tape Measure function 31.5”
Low battery indication
Over load indication
Large backlit LCD
Data lock function
Tare function
Auto zero
Auto off
Powered by 2 “AAA” cell batteries (not included)