teeth whitening gel kit with 16 powerful led lights, 3 pcs non-sensitive whitening pen, teeth whitener at home, pain free and enamel safe, up to 1-9 shades whiter in 1-2 weeks,2-3x faster than strips pdoo if you do not want to suffer from all the pain, damage and sensitivity other treatments bring you any more. if you have enough of spending a pretty penny while see no results. if you are tired of wasting all the weekend busy running to a dentist. <b>try pdoo teeth whitening kit!!!</b> with all powerful ingredients and advanced cold light accelerator technology, you will easily earn yourself a shinier, more confidence smile at home!<br><br><b>how to use:</b><br>1. please rinse tray before using and dry the teeth.<br>2. apply whitening gel into tray.<br>3. connected by iphone/ android/ mrio-usb/ usb port, put mouthpiece tray into your mouth and bite tightly when the light is on. you can try this a few times until you get the perfect fit.<br>4. rinse your mouth after 15 minutes.<br>5. clean the tray and put it on a cool and dry place for next time.<br><br><b>package inculding >>></b><br>1 x user manual- please read through user manual carefully before treatment!<br>1 x warranty card- if you find the product doesn’t meet your expectation, please let us know and we will offer you 100% after-sales service.<br>1 x teeth shade guide- compare your teeth with shade guide card and you’ll see the change intuitively.<br>3 x 3ml whitening gel syringe- our unique 22% carbamide peroxide formula gently whiten your teeth without causing pain or sensitivity.<br>16x led teeth whitening light- the tray is specially designed to deliver professional-grade results. blue lights react with the professional whitening gel which can effectively remove the stains on teeth.<br><br><b>tips:</b><br>- repeat as needed. do not exceed 2 applications per day.<br>- please store out of children's reach.<br>- put cap on the top of syringe to avoid active ingredients' volatilization.<br>- put a cotton ball under the tongue to absorb the saliva to prevent the saliva diluting the gel's concentration.<br>- use the product only as directed and for its intended use (only intended for natural teeth).<br><br>