Dear buyer: Due to the length limitation of product option titles, they cannot be fully displayed in the options Therefore, we use letters A, B, C, etc. to represent each option If you have any questions, please contact our online customer service directly.

The following are detailed descriptions corresponding to A, B, C,etc.:

A. White smart model, European 220VEU

B. White smart model, US standard 110VUS

C. White smart model, British standard 220VUK