It fits any GU10 bulb to the B22 bulb sockt,rather than replace you fixtures with a new one.
Ideal for LED, halogen, filament or CFL light bulb.
Voltage max: 250V Current max: 2A.
Practical and durable, easy to install. Simply Bayonet the B22 type socket adapter into your GU10 bulb.
High temperature resistance around 200 degree.