Meet the GrillEye: a Bluetooth grilling and smoking thermometer that lets you monitor your food from your smartphone. It has a range of 100 meters and 6 ports to support multiple probes. The GrillEye displays the current and target temperature using 2 LED indicators.
GrillEye has a rugged design, so it will withstand your numerous grilling and smoking sessions. Its dedicated app lets you set custom temperature alarms and timers. More info is available here.