No guesswork here.

Smart Thermometer
Cooking temperature range:
Maximum internal temperature: 210° Fahrenheit (99° Celsius).
Maximum ambient temperature: 572° Fahrenheit (300° Celsius).
Rechargeable internal battery with up to 25 continuous hours of cooking.
Water-resistant probe thermometer IPX4 rated (resistant to water splashes from any direction).
Materials include stainless steel and ceramic.
Bluetooth wireless connected.

Range Connects to smart devices up to 150 ft away.
Batteries 2 AAA batteries (included).
Magnetic base for convenient storage.
Removable clear plastic lid.

Yummly App
iPhone and iPad iOS 13 or newer.
Android phone and tablet 6 or newer.
Temperature readings °F or °C.
Assisted cooking programs with preset temperatures for different types of meats, including beef, lamb, pork, fish, and poultry.
Integrated timers, notifications, and alerts.

In the Box Bluetooth meat thermometer, Dock, Extractor, Lid, 2 AAA Batteries.