1,Oven Sensor 2,Metal Shell NTC coating 3,High-reliability NTC thermistor ... SensorStainless steel 5x40mm or coustomer request.Metal Shell NTC Temperature Sensor, Ideal for Wide Temperature ControlWide operating temperature range: -30 ... the shape you need to facilitate the installation and long distance temperature measurement and contApplications: refrigerator, air conditioner, unitary bathroom, ...