Features: Made from premium material, it is reliable and durable. Solar power, energy saving and environment friendly. With the shape modern design, practical to use. Ultra thin, portable and useful. Compact, light weight and easy to carry. Descriptions: Touch design, very convenient to use. Automatically shutdown when you don\'t use it. Suitable for both personal and professional use. Specifications: Material: ABS Size: 85*54*3mm Color: black, silver Package included: 1 x Solar Power Calculator Notes: 1.Due to the difference between different monitors,the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures. 2.Due to the manual measurement and different measurement methods, please allow 1-3cm deviation.Thanks