Length: about 9.84 ft Base diameter: about 3.03 inches/ 7.7 cm Maximum power: 150W Operating voltage range: 110V-250V No bottom cover design, simple white, made of PC flame retardant refractory material, can avoid shortening the life of the product due to long-term high-power operation. This bulb socket comes with a 3 meter (9.8 feet) extension cord socket that allows you to control the switch from a certain distance, and it comes with 2 expansion screws and a US AC power plug, 2-tooth plug for many outlets, so you don't have to worry about the outlet being occupied by other high-powered appliances. This lamp base can be can be applied to illuminate your rooms such as bedrooms, living rooms, kitchens, studios and basements, as well as garage installation lighting. Scope of application: ideal for incandescent lamps, LED lamps, energy-saving lamps, flashing flame bulbs, flame bulbs, rainbow bulbs, party lights. Note: This lampholder is designed without a bottom cover. If you need to purchase a lampholder with a bottom cover that can be removed with a dust cover, please visit the Aroakko store page.If you have any questions before/after ordering this Light Socket with Cord E26/E27 lampholder with wire, please feel free to contact us. We will make things right. Make sure you get what you want from the Aroakko store. E27 light bulb socket with cord Specifications: Material: pc flame retardant Color: white Length: about 9.84 ft Base diameter: about 3.03 inches/ 7.7 cm Maximum power: 150W Operating voltage range: 110V-250V Ideal lamp base for balcony, garage, kitchen, bedroom, bathroom, dining room, cafe installation lighting.