The iJoy Katana combines the advanced IWEPAL chipset with a 3000 mAh built-in battery and the Katana Sub-Ohm Tank. It supports a wattage output range of 5-81W and features a comprehensive temperature control suite. The device is constructed from durable zinc-alloy and has a 0.96" OLED display screen.
$14.99(price is for reference only and could be out of date)