V&A digital multimeter is a commercial use device designed for professional and some individuals. The product has multifunction to automatically measure temp, humidity, brightness, noise, currency and voltage. The product design focuses on presenting user-friendliness while featuring accuracy and safety. Design Concept Technics and user- friendliness comprise the important appeal of the design. The design language of surrounding wrap highlights a feature of user-friendliness, and the wrapped back cover eases the user to grab, and meanwhile prevents accidents from electricity leak. Design Feature The wrapping status and damp design eases the user to grab, and meanwhile prevents accidents from electricity leak. The color combination of orange and black underscores a technic feature with the convenience of identity and operation. Module design is for the ease to expansion of more types.