Digital Camera Power Zoom Flash Light

I was looking for a feature-full flash and had stumbled across this one. I was a little hesitant because it was not a brand name that I have heard of, but I went ahead and ordered it. It takes some getting used to, certainly not a speedy flash. It takes a good ten seconds on full battery to recharge and I'm noticing that the "TTL" part of it isn't as accurate as it should be. It works best if you have your camera on Program Mode, otherwise the photos are greatly overexposed. I've worked a little bit on manual mode and it seems easy enough. I've also done some sports shots that are fairly decent, but don't expect any ultra-professional shots. It may depend on the camera too, I'm using a basic Pentax K110D. Overall, it works for what I'm looking for. I use it for portraits and scenery photography, but if I was going to go more into sports shots, I'd certainly upgrade to a different flash. For a first time flash user, it's a decent buy.