The lamp will not cure CND Shellac ... So sorry about that. Shellac will only cure as it should with the CND lamp which at the moment is on special offer for the next few weeks from Sweet Squared and their associates.Hi i have just bought a millenium nail kit the uv lamp is 4 x 9watts 70 volt first of all is this any good? and second can i use other shellac polishes like cnd ect