1.Convertible: (B22 to E27 adapter) This B22 socket converter allows you to choose more bulbs to fit your fixture or base, rather than replacing your fixtures with a new one. 2.Parameters: maximum power is 200W, voltage is 0-250V, highest temperature resistance is 120 degrees. 3.Durable material (flame retardant PBT) : Practical and durable, high temperature resistant, heat resistant, which makes it safer and not to be burned. 4.Easy to install: just screw the B22 socket adapter into your type socket, then screw in an E27 bulb. 5.Safety: CE certification, one year warranty.Any product or service problem, please contact us. [ Product name]: B22 to E27 lamp holder [Product color]: black [Product material]: flame retardant PC + aluminum [ Product connection]: B22 external interface, E27 internal interface [Applicable voltage]: 110~250V [Applicable power]: <300W [ Maximum current]: 3A [Product net weight]: 15 grams Delivery quantity: 10 pieces lucky meet