Meater is the world's first completely wireless smart meat thermometer that also happens to be water resistant. Finally, your rotisserie is now free to rotate about the grill without a tangled mess. MEATER SenseTM 2 sensor probe. With one sensor in the meat, and one on the outside of the meat, MEATER will accurately estimate the resting temperature of your food. Bon appétit!. Rest your arms, worries, and relax. The gym can wait. MEATER is a leave-in thermometer that has been rigorously tested against the heat in a grill or oven. Really need to check the temperature? Simply open the MEATER app to check otherwise, just set the type of meat and cook you want and the app will alert you when the time is right!