【Automatic Sensor & 4 Timer Setting】The led gel light has a auto hand sensor.After turn on the device, the default mode is sensor mode timerIt will automatically start when hands get in and automatically shut down when hands out or timer finish. After timer setting (30s/60s/90s/99s), the nail lamp will keep working until the time finished . 【Cure all kinds of Gel Nail Polish】This 60w led nail lamp adopt exclusive technology-dual optical wavelength(365nm+405nm), makes it works with All kinds of and is perfect for applying base, top, and color gel, as well as acrylic or gel nails 【Strong Power】This led gel nail lamp comes with 42pcs durable long lasting LED light beads,compatible with all gels, non-harmful substances to the human body. The 180-degree curved LED design ensures even care for each nail. No dead-zone, can shorten the curing time up to 50% than the traditional photo-therapy lamp. 【Upgraded Rechargeable Led Nail Lamp 】Rechargeable Pro LED Gel Nail Light,equipped with new professional designed+LED dual light source, 4 hours working time after 2 hours full charging. You can take it anywhere you want 【Safe and easy to use】: Your safety is our top priority. Our LED nail lamp emits a gentle, eye- and skin-friendly white light. The built-in temperature control chip prevents overheating and ensures a safe and comfortable nail care experience. Note: This nail lamp is not recommended for conventional nail polish; in such cases, natural drying is recommended.