For one 13 watt CFL two-pin lamp. 120 volts. Magnetic ballast inside the adapter. Adapter & lamp included.

Sylvania DULUX CF13DS/841/ECO 4100°K lamp as pictured. Adapter is used and may show some yellowing but the lamp is N-O-S with only a few hours of tests. Total length with lamp installed is about 24 cm or just under 10".

This adapter will light a CFL with a glow-bottle in the base. Lamp types seen in last pic, these are NOT included.