The JTC 150 box mod kit comes with an instruction manual, a certificate card, a USB charging cable and the JTC 150w box mod. The JTC is roughly 2 1/8" in width by 3 3/8" in height.
The JTC 150 is 510 threaded with battery vent holes on the bottom. Charge the mod via the USB port located on the side.
While turned off and locked pressing the fire button will activate the clock screen. You can set the year, month, day, hour and minute.