Profile1.5 RDA by WOTOFO is a upgraded version of profile RDA, it comes with three different coils for option, including nexMESH CHILL A1 0.15ohm, nexMESH TURBO A1 0.13ohm and nexMESH EXTREME A1 0.16ohm. The RDA features Max air supply, Lower air supply and Flexible air supply, which support single mesh coil and provides fast heating and flavor strengthening. It's compatible with Squonk style mod and regular mod. That's the right RDA for you to enjoy perfect flavor and cloud vapor.