Add this lovely LED light to your teester and it will come installed for you and ready to use. Creates a wonderful ambiance with it's soft glowing light reminiscent of moonlight. We also offer the string curtain lights as shown in the second photo which are like little lights of the stars! So with the addition of these it's like you have the moonlight and the starlight above your bed! If you are interested in those as well please see link below. Sweet Moonlight Dreams!