A. This nail lamp is designed with a rechargeable battery, which allows you to get rid of the traditional wires and makes it more free and convenient to use. It has the functions of intelligent color - changing and colorful lights, which can add a unique sense of fun and atmosphere to the nail - art process. B. This is a professional nail curing lamp that can quickly dry nail glue, saving you a lot of time during the nail - art process without having to wait for a long time. It won't darken your hands when in use, effectively protecting the skin of your hands and making the nail - art experience more comfortable. C. It has a fashionable appearance and is suitable for the general public. Whether you're doing your nails at home or it's used in a professional nail salon, it's a good choice. It comes in different specifications, such as those meeting American and European standards, to meet different usage needs. D. In addition, it is supported by an authorized self - owned brand, with reliable quality, which can bring you a good nail - art experience.