Our teeth whitening kit is designed to deliver results every use. It can be used daily for up to 5 consecutive days to remove tougher stains and maintenance. Whitening device is wireless and includes USB charger. Light features a blue setting along with a blue and red setting for quicker treatments. Device and whitening gel included. Sufficient for up to 15 uses and thereafter refill gel can be purchased for continued use. Used manual included along with shade guide.