UV Nail Quick Drying Lamp USB Cable Portable Nail Lamp $ 5.12 Size: 45x45x58MM Shell: PC/ABS Light source: dual light source UV/LED Wavelength: 365+405NM Maximum power: 3W Baking glue type: nail polish, extension glue, UV glue, etc. Instructions for use: It can be connected to the power supply by connecting a mobile phone charger or a power bank. After connecting to the power supply, press the power button once to default to 45S timing, press twice to switch to 60S timing, and press the power button again to shut down. Note: This model does not have a USB cable