The ca sensor of 0.2mm can accurately and quickly measure the temperature of the solder tip, which is suitable for lead-free solder; The temperature of the welding tip can be measured at any angle according to the shape of the welding tip; With automatic shutdown function, when the thermometer is not in use for 3 minutes, the power will be automatically turned off; It has the function of recording the high temperature of the welding tip. When the [max hold] button is pressed, the high temperature record of the welding tip will be displayed. Low battery display and sensor damage display. Colour:As Shown Material:ABS Package Contents: 1 set x Soldering iron head thermometer Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.