Meet the Mini by TMS: one of the smallest wireless meat thermometers money can buy that takes the guess workout of meat cooking process. It has a food-grade stainless steel construction and is waterproof. It comes with an app that helps you set up the process and find out when your meat is ready. The Mini has a range of up to 30ft (the MiniX has an extended range of 262ft).
The Mini lasts over 8 hours on battery. It has a temperature range of 32F to 185F. The probe measures 5.5 x 58.80mm. You can find out more about it here.