Features： 1、Double head thermocouple design, good contact during measurement, improve measurement efficiency, and use more at ease 2、Universal temperature probe, wide adaptability, suitable for various types of multimeter clamp meters with 4mm standard socket 3、The plug is made of copper, with good thermal conductivity, measuring temperature ‑50~400°C, fast sensing, and sensitive temperature measurement 4、The probe is small in size, light in weight, easy to carry, and sturdy and high durability, suitable for daily use 5、Widely used in gas temperature, liquid temperature, building concrete, greenhouse, aquaculture, industrial temperature measurement, etc Specification： Item Type: Thermocouple Sensor Model: UA23 Material: Glass fiber + copper Purpose: temperature measurement Range: -50~400 (℃) Product Size: Approx. 1m / 39.37in (Size Error Exists) Plug diameter: Approx. 4mm / 0.16in Interface form: plug in input Scope of Application: Widely used in gas temperature, liquid temperature, building concrete, greenhouse, aquaculture, industrial temperature measurement Package List： 1 x Thermocouple Sensor (Random Appearance)