[Timer] Two timer modes: 60 seconds and 120 seconds, the first 60-second mode and the second 120-second mode. You can choose. Note: The UV lamp is not rechargeable and needs to be connected to a USB cable and always turned on. [Universal Gel Stickers] The UV nail lamp can be used with other gel stickers. Not suitable for traditional nail polish [Mini Nail Lamp] It has LED dual light source lamp beads with a wavelength of 365+405mm. It can be used with gel nail stickers for fast curing, making the nail stickers more firm and shiny, and manicure. The mini UV nail lamp comes with a foldable stand. After folding, it is compact and easy to carry. It is an ideal choice to enjoy the fun of manicure when traveling. [Friendly] Whether you are a home manicurist, a professional salon manicurist or a beginner, this nail lamp is your ideal choice.