Char-Broil Simple Smoker with SmartChef Technology Monitor internalmeat temp, cook time and chamber temp inthe smoker from anywhere at anytimevia SmartChefapp over WIFI. SmartChef app sends notifications to your smart device alerting of cooking events such as preheat or cooking completion. Integratedmeat probemonitors internal meat tempand sends the information to you smart device in real time. Refer the Troubleshooting steps on page 15-17 on user guide below for any installation issues External smoke box allows for simple wood chip addition- add as much or as little smoke flavor as you want.