Looks like a nice box mod clone, the main issue that would concern me (other than it being a clone) is battery life. Mine has two 18650's (an Eleaf 100W iStick) & got it for an unbelievable price of $33.95 + $3 shipping, and a genuine device. While I still have an Astro mod that was cloned (my first), haven't purchased clones for 18 or so months. A Kangertech Protank 2 clone is what broke be from purchasing such items. It was said to be an exact (1:1) clone, yet the item was far from it, leaking was a huge issue, so was gurgling, no matter what type of coil installed & even changed the base to an upgraded airflow type one that was on hand, made it worse than better. A $10 lesson learned, since I got it from eBay & paid with PayPal, didn't bother with reporting, one person said they were banned from using PayPal for life over reporting defective 'e-cig' products received.
There seems to be clones of everything nowadays, so when the iStick 100W was released, purchased before many of these are too. It's overkill for me, yet have futureproofed myself for a lifetime (at least the lifetime of the device).
Should you make the purchase, invest in a pair of well rated batteries with a case, the blue Samsung 18650's are very popular at the moment, more so than any battery of it's type on the market. Some eBay suppliers includes a case with a pair. This is the deal that I received from a fast shipping seller, twice. No issues whatsoever with the batteries & both sets are 'married', best practice when using as a set in a box mod.
http://www.ebay.com/itm/121445734969?_trksid=p2057872.m2749.l2649&ssPageName=STRK:MEBIDX:IT
Finally, you need a decent charger that won't burn your batteries up & has an auto cutoff when charge is complete. This is one that I purchased, intended for it to be a spare to my other (an Efest LUC V2), yet has performed so well that I made it my primary charger, usually 4.25V on the money, whereas the LUC V2 was generating reading of 4.30 when tested. And the cost is much less than when released. $10.90 shipped! This also charges small household rechargeable batteries, like AA, AAA & C batteries & is the seller from whom I purchased from.
http://www.ebay.com/itm/201011821007?_trksid=p2057872.m2749.l2649&ssPageName=STRK:MEBIDX:IT
Hope this is helpful to you or someone else.
Cat