BRILLIANT DESIGN. Durable ABS plastic material. LCD display. Measure: 4.5" x 2.5" x 0.75". 8 Digits display. Auto power off. Full function memory. Powered by batteries.MINI SIZE. Pocket calculators, small size is suitable for your business travel use. This easy to use calculator takes up little space on your desktop and fits into your briefcase or desk drawer.DUAL POWER. Solar power with AA battery backup (battery not included), helps make sure that the calculator will function even in a dim place when battery installed.SIMPLE & STURDY. Durable plastic keys allow for constant use without wear and tear. Reasonable configuration and comfortable.VERSATILE. Great for home, office, and on the go. Performs common math as well as various financial functions. No colour choice.