Feautures:

1.innokin itaste cool fire iv mod,built-in 2000mah battery 

2.max ouput power 40watts,support resistance as low as 0.3ohm

3.spring loaded 510 thread,fit for 22mm atomizers

4.6 different colors avaliable

5.working voltage from 3.0v to 7.0v,adjust in 0.1 increments