‎1 CR2 batteries required. (included)

Make sure this fits by entering your model number. INCLUDES MORE THAN 60 UNITS in both U. S. Imperial and metric units for easy and reliable data input and conversion; enter measurements just like you say them; you can also enter data in various formats and convert solutions to preferred read out; you can enter feet, inch, fraction or decimal inch, other units are entered in whole or decimal numbers GIVES YOU OVER 400 CONVERSION combinations with no need for complex scientific calculators or memorizing conversion formulas; for your ease the most common 43 measuring units are set as primary function keys; the percent key also work for add-ons, discount or division percentage calculations; Paperless Tape lets you recall your last 20 entries