Cook to IMPRESS, not stress Delicious meals cooked to perfection every time.Battery-charged Item:Up to 100ft Long Range Model: 100% WIRE-FREE that's perfect for outdoor cooking. The first truly wireless smart meat thermometer. Monitor your cook using the FREE app available for iOS / Android smart phones.2 Sensors, 1 Probe: Dual temperature sensors can monitor internal meat temperature and external stove/oven temperature simultaneously.Guided Cook System: Walks you through every step of the cooking process to guarantee perfect and consistent results. You can also set up custom alerts / notifications based on temperature and/or time.Advanced Estimator Algorithm: Can estimate how long to cook and rest your food to help plan your meal and manage your time.Expandable to 3 Additional Probes: The APP can monitor 4 probes at the same time.Connectivity Suite: Monitor your cook from a phone or tablet over Bluetooth.USB-charged:32.8ft Range Model: 100% WIRE-FREE that's perfect for outdoor cooking. The first truly wireless smart meat thermometer. Monitor your cook using the FREE app available for iOS / Android smart phones.2 Sensors, 1 Probe: Dual temperature sensors can monitor internal meat temperature and external stove/oven temperature simultaneously.Guided Cook System: Walks you through every step of the cooking process to guarantee perfect and consistent results. You can also set up custom alerts / notifications based on temperature and/or time.Advanced Estimator Algorithm: Can estimate how long to cook and rest your food to help plan your meal and manage your time.Expandable to 3 Additional Probes: The APP can monitor 4 probes at the same time.