... + overvoltage protection Power strip with 5 DS sockets+ overvoltage protection Technical parameters:Rated voltage: 250V~Current rating: ... , power not easy get loose, anti jump.USB output: 5V/ 2A(max) charge mobile phone, MP3, MP4, iPhone, iPad, iPod and ... the product open, for it designed to be removable. 5 DS sockets+ overvoltage protection