This listing is for a set of 4 white plastic Bayonet Ceiling B22 Bulb Holders, suitable for use with B22 connectors. These bulb holders are designed to be corded and have a voltage of 240V, with a bulb wattage capacity of up to 100W. The holders are dimmable and are compatible for LED lighting technology, making them energy-efficient and long-lasting. The item dimensions are 67mm in height and 37mm in width, ideal for ceiling installations.