Expand the light bulb socket and quickly convert the E26/E27 socket to an E39/E40 screw socket. screw this adapter into the existing E26/E27 socket to install without replacing the existing lamp. Compact and lightweight, this adapter fits E26/E27 socket and E39/E40 base /halogen/CFL bulbs (up to 250V, 4A and 1000W).
