Set: There are 6 pieces GU10 lamp holders with terminal block, used for halogen lamps, LEDs or downlights. Composition: This gu10 new regulation bulb connector consists of ceramic lamp base, 15cm silicone wire and PC connecting bridge. Convenience: The holder is equipped with a terminal block, no need to buy extra, convenient, save time and money. Double insulation: A high-temperature resistant insulated tube is added to the safety silicon wire to prevent the wire from being burned by the heat from the lamp. Safety protection: There is a black protective case at the terminal block and the lamp base, and the screws outside the case completely lock the wire tube, it's very safe. The GU10 ceramic socket consists of a high temperature resistant ceramic lamp holder, a silicon wire with an insulating sleeve and a wiring bridge with a protective case. It can connect the ceiling downlight to the mains and does not require a transformer. Very safe and easy to install. Note: 1. We always recommend you to install it by a professional electrician. 2. When installing the lamp holder or replacing the lamp, make sure the power is off.