Here is a wireless meat thermometer that provides you automatic core temperature readings on your smartphone. CookPerfect’s meat thermometer relies on one probe for meat and air temperature readings. It shows you the remaining cooking minutes for a perfectly cooked meat.
The device has a range of 400ft. The battery lasts up to 150 hours. It has a temperature range of -40°F to 662°F . Costs under $100 at this time.[where to get it]