Usage Tips:- This 2-way socket adapter is made of fireproof PP material outside and uses copper as conductor inside to provide protection against short circuit, overheating, over-current and over-voltage, you can use it with a clear conscience. Double plug for 2-way socket - The double socket is suitable for use with protective contact sockets according to the German standard. Simply plug into any German outlet and get an expansion up to 2 outlets for your safe and continuous charging needs. Maximum power 4000W (max. 250V, 16A). 2 in 1 multiple socket - This socket adapter can charge 2 devices at the same time, such as mobile phones, computers, monitors, TVs and other devices without any interference when charging at the same time. Short Cord Plug Extension - The short cord is flexible to rotate, can be used in bedrooms, offices, living rooms, kitchens, etc; You no longer have to worry about cluttering up your home with cables. Safe And Reliable - The 2-way socket adapters have been CE and RoHS certified; The socket extender has a built-in child lock to prevent accidental touching and protect your family.