Screw Conversion Function: This B22 to E27 bulb adapter converts the B22 male socket to the E27 female socket, allowing users to install E27 bulbs in lamps that originally only supported B22 screw sockets. This B22 to E27 adapter increases bulb selection flexibility. Material: The B22 to E27 bulb converter is made of flame-retardant PC, which is not only heat and aging resistant, but also offers good insulation performance, ensuring safe use. High Hardness Lamp Holder: The nickel-plated iron lamp holders of the Bulb Socket have excellent hardness and can withstand wear and tear from repeated insertion and removal during daily use, extending the lifespan of the LED bayonet bulb. of the adapter. High safety: The Bulb Socket adapter, with its exquisite materials and workmanship, ensures high safety. The E27 bulb socket allows users to feel more comfortable during use. Wide application: The bayonet socket is suitable for E27 bulbs, which are widely used household lighting fixtures. This adapter can meet the lighting needs of most households and is a very practical home lighting accessory.