XIANQI There is chromatic aberration LIGHT WEIGHT AND PORTABLE : UV LED nail dryer lamp uses a USB connector, which is convenient to get power from computer, laptop, power bank or mobile phone charger. This polish lamp is pocket size and made it ideal for constant travels. SAFE AND DURABLE :This uv lamps for gel nails can protects your eyes and skin that comparing with ultraviolet light of traditional nail lamps. Fashionable and durable 50000hrs lifetime, ideal for personal use and best gift for friends. EASY TO USE: This nail lamp machine is stylish and simple. Press ON/OFF button once for curing 60 seconds, long-press 2-3 seconds for 120 seconds. Folding built-in design, very user-friendly, save space and easy to carry. FOLDING BRACKET: You can either hold it in hand or put it on desk and open the bracket to cure your nail. PROTECT YOUR EYES AND SINKS: Comparing with other products, its light is closer to white light, has no harm to eyes and skin. Fashionable and durable 50000hrs lifetime, ideal for personal use and best gift for friends.