Grill without the guesswork and track cooking temperatures in real time. This bundle features two professional-grade Predictive Thermometers, a Wifi Display for phone-free tracking, four ID tags, and a case to keep all your gear. Real-time reliability - eight precision sensors instantly track the heat of core, surface, and ambient air temperatures Heat resistant protection - with 8 precision sensors and featuring an element proof hermetic brazed seal, the thin probes of these two predictive thermometers reach the highest level of heat-resistant protection at IP69K Know it all - built-in wifi connects to up to 4 instant-read predictive thermometers at once to display temperatures for the most accurate read possibles Safecook technology - the easy-to-use wifi display works with the wireless thermometers to show alerts, timers, and track temperatures for usda-approved cook times, making food prep simpler than ever Predictive thermometers provide up to 24 hours of instant read battery life Wifi display has extended battery life to ensure your display lasts for weeks at a time, so you can spend more time cooking and less time looking The bluetooth range extender lets you track temps anywhere - no devices or apps required