Set: There are 6 pieces GU10 lamp holders with terminal block, used f halogen lamps, LEDs downlights.Composition: This gu10 new regulation bulb connect consists of ceramic lamp base, 15cm silicone wire PC connecting bridge.Convenience: The holder is equipped with a terminal block, no need to buy extra, convenient, save time 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 the lamp base, 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 a wiring bridge with a protective case.It can connect the ceiling downlight to the mains does not require a transfmer. Very safe easy to install.Note:1. We always recommend you to install it by a professional electrician.2. When installing the lamp holder replacing the lamp, make sure the power is off.