Product #: 8304 Color: White and gray Size: 6.46" x 5.94" x 0.74" (164.08 mm x 150.88mm x 18.8 mm) Product Weight: (product only with battery): 6.56 oz. (185.97 g) Power: One CR-2032 (3V) lithium battery (included) Battery Life (Average Use of Calculator and Timer): 1,975 hours Auto Shut-off: 8-12 min. Keypad: 35 plastic keys Operating Temperature: 32-130 deg. F (0-55 deg. C) Display Type: LCD segment; 9 digits (7 normal, 2 fractions), with annunciator-legends LCD Display Dimensions: 0.975" x 4.25" (22 mm x 104.7 mm) Warranty: 1-Year Limited Warranty