Smart sensor: Infrared sensors are installed on both sides of the product. It turns on automatically when you put your hands in it. No need to long press the button, it will turn off when you reach out your hands, it is very convenient. And HD LCD display shows the seconds remaining. This leads to a better selection of modes and a clear output time.. Suitable for all gel nail polishes: The LED lamps are the latest technology and with their dual wavelength of 365nm + 406nm can be used on ALL UV and LED nail polishes. It can be dried quickly to cure all types of nail polish, rhinestones and glue . for example Base Coat, Top Coat, Color Gel, Hard Gel, Builder Gel, Acrylic, Sculpture Gel, Gem Glue and many others.. 3 timer modes / LCD display: The nail polish dryer has a timer for 30s / 60s / 99s. You can choose your own time according to the actual situation. The LCD display for the countdown of the time is clearer and more intuitive and helps you to remember the time.Long-lasting, safe and quick drying: Nail dryer lamp Equipped with 30 long-life LED light beads, 36 watts of power and quick drying, drying efficiency by 60% compared to other dryers. . This UV lamp nail lamp is powered by USB. You can use it with mobile electricity on sofas, gardens and beds.Customer Service: We have a nice customer service team. Full refunds and replacements are available. .