This Bundle from Teds Electronics Includes; Four HP 17bII+ Business Calculator Special design features: HP's large, angled, click-style keys allow you to minimize unwanted key presses Power: 2 x CR2032 batteries; battery life: 1 year (when used 1 hr/Day) power off memory protection: Yes Auto power off: 5 minutes Best used for: real estate; accounting; Banking; Finance; business Studies built-in functions: 250+ Permission usage: certified financial planner memory: 28 KB Display: LCD with 2 line x 22 characters, adjustable contrast Dimensions (W x D x H): 3.19 x 0.63 x 5.71 in weight: 3.89 oz What's in the box: calculator, quick Start Guide, batteries, premium Pouch