General description This set of 4 E14 to G4/MR16/GU5.3 bulb adapters allows you to easily convert your E14 socket to accommodate various types of bulbs, including LED, halogen, incandescent, and compact fluorescent (CFL) bulbs. This practical solution enables you to use more LED bulbs in your light fixtures without the need for replacing the entire lamp. Technical specifications Material: plastic and aluminum Pack of 4 pieces High temperature resistant Anti-burn PBT Installation Simply screw the adapter into an MR16 GU5.3 bulb base in your E27 or E26 socket type.