Product Name: Cold Light Dental Teeth Whitening Lamp Operating Voltage: 100 240VAC, 50 60Hz Wavelength Range: 390 490nm Powerful Blue LEDs: 36 W LED Quality: 12pcs OSRAM led bulbs Light Intensity: 9000 MCD for teeth whitening machine Led Life Expectancy: 50,000 hours Control way: RF IC card control Parts: 2pcs glasses, installation tool, power line Package: aluminium alloy case Product Feature: 1. It is Suit for use in professional dental clinics, whitening spas, beauty salons ect. 2. Use this machine to whiten teeth with no side effects, no anesthesia required, and no damage to the pulp. 3. With the help of this product, it Improves 8-14 shades, giving you a perfect smile