Jscale digital electronic lcd ultra mini pocket scales size 00 gram capacity 001 gram readability linearity 001g00005oz005ct02gn reads in grams ounces carats grains parts counting function digital auto calibration 50g weight supplied memory function flip up cover with clasp extra large blue backlit lcd display mounted in lid auto shut off switches off after 30 seconds of inactivity to conserve battery power 2 aaa batteries included calibration weight included 20 year warranty