kbox 160w tc mod

i just bought the kbox 160 and im having a problem with it. The problem is when i turn my device off its just suddenly turns back on i cant turn if off without removing the battery can some one please help me with it???

Maybe as you have noticed,kangertech just released their latest temp control box mod : kanger kbox 160w TC . It was said that the kbox 160w is the smallest mod that can directly support max power to 160w and it features Ni/Ti/SS/NiCr four TC mode supported, 160w power output, TC temp control...