http://www.wcvaporcompany.com/predator-228-mod-by-wismec-pre-order/
The Wismec Predator 228 chipset is the newest chipset from the makers of the RX series, featuring a wattage output up to 228W. The Predator 228 supports any resistance between 0.1 - 3.5 ohms, Temperature control is available...