:DISCLAIMER:: i did receive this product for free , but you guys know me , and i will always give my honest no BULLS**T opinion and i will never betray the reviewer viewer trust i have worked to build with my subscribers. I have no vested interest in any of the suppliers who choose to send me products to review , and i would never and WILL never offer to give a good review in order to get receive free products or devices now then. very unique, cool and steam punky and very versatile. 6v 3.7v , and easily the most durable mod on the market, hands down. www.atmosusa.biz http thanks so much for watching everyone!