Here is a connected thermometer that lets you grill like a pro. It is a Bluetooth device that pairs with your smartphone and lets you know when your food is ready from your mobile device. You get two pro meat probes, so you can monitor multiple temperatures at once. The meat probes can measure between -22°F and 572°F. The companion app lets you monitor your meat from your smartphone.
The iGrill2 offers up to 200 hours of battery life. It lets you connect multiple ones at once. It also features proximity wake-up. Sets you back $99.