SLXA amplified indoor aerial. Runs on mains or 12V (for home or mobile use) and will amplify the signal from an outdoor aerial too. The plastic has broken on the moving part so it will only stay up in certain positions. I was able to get a signal through it, but not on all channels and I haven't tested the 12V input, so selling as not working. I can't accept returns as I've already listed as not working!