E-26 socket, supports up to 150W, 100V lighting component. - Type: E-26 socket x 3 - Type: E-1 socket x 2 - Manufacturer: Asahi Electric Co., Ltd. Although the model is old, it hasn't been used much. It's still usable. If there's a rail on the ceiling, it's very convenient as it's foldable. The head also moves. Only available for purchase of all 5 pieces. LED light bulbs are also included. Thank you for looking.