The created-in LED light at The underside in the device will light up, indicating which the machine is Lively and vapor is getting generated. Have a gradual, steady inhale, and enjoy the flavor and sensation in the TN9000. The RAZ TN9000 is a disposable device with a set nicotine content. https://raztn9000disposable26036.answerblogs.com/28465604/geekvape-h45-classic-pod-kit-for-dummies