My Own Diary (650-0834) Specifications Faxback Doc. # 31521 Power Source:............................................. 2 CR2016 Lithium Batteries (1 Main and 1 Backup), 3 V Battery Life Main Battery:................................ Approx. 9 months Operating Temperature Range:................... 43 - 109 degrees Fahrenheit 0 - 43 degrees Celsius Dimensions:................................... 4 1/2 x 2 15/16 x 1/2 Inches (115 x 74 x 13 mm) (HWD) Weight:................................................... 2 1/3 oz. (66 g) Specifications are typical; individual units might vary. Specifications are subject to change and improvement without notice. (EB 3/26/96)