Specification: Name: Nail Lamp Model: D40563 Material: ABS (Acrylonitrile Butadiene Styrene) Color: White Charging Type: USB Charging Voltage:100-240V Power: 3W Quantity of LED: 3 PCS Input Power: 5V / 1A Wave Length:365+405nm Item Size: Approx. 4.5 * 4.5 * 5.8cm / 1.8 * 1.8 * 2.3in Shelf life: 2 years Instructions included: Yes Manufacture Country: China Instructions language:English Package List: 1 * Led UV Lamp (Do Not Contain USB Line) 1 * Multi-language User Manual Function: This lamp is designed for manicurist/personal use Curing UV gel/LED gel/Extensive gel. How to Use: 1. Connect the USB cable to your mobile phone ipad/MP4 charge. plug into electrical outlet.or connect to power bank directly. 2 Press ON/OFF button on top to turn the Nail Lamp on.the default time is 45s. 3. Press ON/OFF button once for curing 45 seconds. second press for 60 seconds.third press to turn off the lamp. Product type: UV Nail Lamps