This lamp holder to socket adapter is made of premium material, which is durable compatible for long-lasting use. It features ABS and copper material, which has high durability, not easy to deform. Fine workmanship ensures practicality. r rFeatures r r- Color: As Shown r- Material: ABS, Copper r- Size: 5.00X3.20X3.20cm/1.97X1.26X1.26in r- Base: E27 r- Voltage: 90-240V r- Current: 4A r- This fully functional lamp holder adapter provides stable electrical contact compatible with your devices and supports 2-pin plugs. r- This lamp holder to socket adapter is made of fire-resistant material, high temperature resistance up to 165 degrees. r- Safe and polarized socket: The 2-pin lamp holder adapter is designed to power devices in a safer way. r- This lamp plug socket is polarized and allows the plug to be inserted into the socket in only one direction, ensuring neutral to neutral, ground to ground, and providing some safety compatible with the device to adapt to the polarity of the house wiring. r- Simple in structure, easy to use, not easy to deform, you can use it with confidence. r rPacking list 2 x Lamp Holder Adapters