The Sigelei MT is a 220 watt and temperature controlled box mod. It comes in a sturdy, cardboard box. Inside the box, the kit includes a Security Code Instruction book, a Warranty card, a user manual, a USB charging cable and the Sigelei MT box mod.
It is 510 threaded and contains a mini USB port on the front for charging. Alternatively, you can swap out two high drain 18650 batteries, It has durable up and down buttons with eyes that light up on the power button when pressed. The Sigelei logo will display after installing the batteries before switching to the main screen.