1. The sockets must be used for small European sockets. They are not compatible with standard German sockets. 2. Control your home anytime, anywhere: 5 remote - controlled sockets come with 2 remote controls, allowing you to turn on and off the electrical appliances in your home from anywhere. 3. Remote control: The maximum range in an open space is 30m. The powerful RF signal can pass through walls and doors without interfering with other electronic devices. The maximum power is 2300W, which is sufficient to meet the needs of most devices. 4. Compatibility: The remote - controlled sockets are especially suitable for hard - to - reach electronic devices, such as Christmas decorative lights, DVD players, TVs, receivers, lamps, and stereos. They are very suitable for the elderly, pregnant women, etc. 5. Safe and reliable: The ABS shell has excellent high - temperature resistance. The CE certification guarantees the quality of the wireless switch kit. The built - in plastic board ensures the safety of children. Please use the sockets with confidence. 6. Different from most remote - controlled sockets on the market: Each socket is also equipped with an on/off switch. If necessary, you can also turn the socket on and off without using the remote control.