Product parameter of teeth whitening equipment TE120: Operating voltage:  100-240VAC, 50-60Hz Wavelength range:   390-490nm Powerful OSRAM blue LEDs: 36W Numbwe of the small LED lamp: 12pcs Led life expectancy: >50000 hours Control way:    with or without RF IC card control Parts: 2pcs glasses, installation, power line. Package: Aluminium alloy case   About teeth whiten consumables: We also have teeth whiten kit, teeth whiten gel, retractors, gum dam, teeth whiten wipe etc. These supplies provide the conditions for tooth whitening！ Teeth whiten process:  1. Clean the client’s teeth first.  2. Use the shade guide to compare client's teeth （In order to compare the effect of tooth whitening）  3. use a VE cotton tip to moisturize lips to prevent chapped  4. Use the C type retractor to open mouth  5. Use a teeth whiten wipe to clean tooth.  6. Paint gum dam (about gel, The higher the concentration, the better the effect, but the high concentration of gel will make the gums of the customer feel burning, so we will use the gum protector to protect the gums，and use curling light to dry the gum protector)  7. use little brush to brushing teeth whiten gel(the 5ml gel can be divided into two or three times)  8.Use teeth whiten lamp first to shining for 10-15mins.  9.After 10-15 mins, You need remove the teeth whiten gel，judge whitening effect. 10.You need use teeth whiten gel for customer again, and second shining for 10-15 mins. 11.In general, after two treatments, the effect of tooth whitening will be very good, use the shade guide to compare. 12.Finish the treatment, remove the gum protector and use another teeth wipe to clean tooth. 13.let the patient gargle.