I have three of them, soon to be 4. 2 of the Gen2 for the buggies and 2 of the first gen for the SCTs. All 120s and they work great. Quite a few guys run these at my track and I haven't heard any complaints yet. The only thing it can't figure out is where to get the USB link for the Gen2s? The instruction manual shows it, searched the website and nothing, even contacted Hobbyking on the livechat and they couldn't find it? Anybody had any luck locating it or have a part #?