Guardian One by Vaporesso adopts dual child locking mechanism that prevents children from accidentally opening the tank and get in contact with the liquid inside. It is truly a carefree filling since the coil would remain inside to avoid overfill. With its unique leak resistant strucutre, you can rest assured to enjoy vaping with clean hands. The mod itself is compact in design, yet capable of 40 wattages of output. Built with CCELL ceramic coil inside, it is guaranteed to deliver the most original flavor of your e-liquid. Guardian One, the One for your vaping journey! Parameters Tank capacity 2.0ml Color Silver,Black Battery capacity 1400mAh Thread 510 Thread Diameter 22mm Material Stainless Steel with Pyrex Glass Weight 300g Output wattage Max 40W Features Sleek and Modern Design Revolutionary Leak Free Design Double Child Locking Mechanism No Overfill Ever,Top Filling coil remains INSIDE the tank CCELL Inside Packing list 1 x Guardian One Battery 1 x Guardian Tank with CCELL-GD SS coil pre-installed 1 x Extra CCELL-GD SS Coil 1 x USB cable Wholesale If you need the wholesale purchase and wholesale price,pls send email to frank@aukey.com. Skype:frankfish5225 http://www.vaporwhale.com/vaporesso...rette-double-child-locking-mechanism-40w.html