The Testo 915i wireless thermometer with flexible sensor offers everything for faster, more flexible and simpler temperature measurements. Thus, the flexible thermal wire can be laid, for example, for measuring the air temperature through holes, gaps or door seals. Via Bluetooth, the Testo 915i connects automatically with the smartphone/tablet or suitable Testo measuring device. The Testo Smart APP enables an intuitive operation, a clear display of the measured data as well as documentation and protocol dispatch directly on site. The handle is compatible with all standard K-type thermocouple sensorsso it can be used in a wide range of applications.· smart probe for wireless temperature measurement in a wide range of applications Wide sensor selection and compatibility with standard K-type thermocouple sensors· flexible and responsive temperature sensor (TE type K, class 1) with glass-fiber covered cable (length 800 mm) and secure fixing through innovative locking mechanism in the ha