IJOY Limitless sub ohm Tank is an elegant tank with great features. IJOY LIMITLESS SUB OHM Tank Replacement Coil Head 0.3ohm/0.6ohm is designed for IJOY Limitless Sub Ohm Tank. Features with a LED light. Available resistance at 0.3ohm, supports a range of 40 to 80W. And 0.6ohm Chip Coil rated wattage range of 20 to 40W.