The Z3 Concentrate Pen by Nice Steams has a sleek, silver design that makes vaping your concentrates stylish and inconspicuous. This American made vape pen is engineered to last a lifetime with its waterproof, stainless steel construction. A simple analog trigger system also makes this vaporizer pen easy to use. A long life, low temp sealed porcelain heating element is ran by rechargeable batteries included with your purchase. These batteries have built-in circuit protection. It also comes with a custom tool for disassembly and a charger with USB cable. Check out this Connecticut brand's website for more info and operator manual.