Char-Broil Digital Electric Smoker with SmartChef Technology Monitor internalmeat temperature, cook time and chamber temperature inthe smoker from anywhere at anytimevia SmartChefapp over WIFI SmartChef sends notifications to your smart device alerting of cooking events such as preheat or cooking completion Integratedmeat probemonitors internal meat temperatureand sends the information to your smart device in real time Large 725 square inch cooking capacity and 4 internal chrome racksfacilitatelarge or small cookouts,Compatible with: iPhone 4s, 5, 5s, 6, 6s, 6+, 6s+. iOS 8 and newer.Android 4.4 (KitKat) and newer. Optimized for Samsung Galaxy s5. Full size smoker box produces up to 6.5 hours of smoke - one fill provides all the smoke you need