... good effect. 2.Convenient for use. 3.Good Price. Teeth whitening light is characterized by rapid, simple, practical, safe, you just ... to dentin then oxidize the pigment in teeth.Item specificsteeth whitening home use lightavailable for logo print 1, Fixed Voltage:DC6V(CR2025 ... colors available.(blue,white,purple,black,silver, etc.) portable teeth whitening home use light, teeth whitening kit light