The SizeThe top diameter is about 3cm/3cm, the bottom diameter is about 3.8cm/1.5inch, and the height is about 6.1cm/6.1cm cm.It is a practical home lighting appliance. Greeting Card Card. ApplicationThis B22 to E27 female bulb adapter.Apply to E27 type bulbs, a convenient home lighting appliance. EASY TO USE Our light bulb adapter is easy to use, just screw it into an existing light bulb and connect the wires for use. It is very simple and convenient. it is more economical and practical economical and practical you do not need to buy new devices. You just need to change the base. The modern minimalist design is perfect for any decor style. With 5 sockets. Safe and DurableThe housing of this lamp holder is made of flame retardant PC material, which features high temperature resistance, aging resistance and good insulating properties. Iron nickel plated lamp sockets have high hardness and durability. Specification: Condition: Material: Self-timer PC flame torch Color: show as picture Temperature range: 250 Weight: about 65g Package content Packing: 5 x B22 to E27 bulb adapter