For different use scenarios in the domestic market segments, handheld infrared thermal camera market products are few, and the demand for such products is growing, and some entry-level user groups like external large screens, develop a coverage of the domestic low-end market, and change the user's use habits in handheld plus handle and display, tailored to create a multi-purpose infrared thermal camera. By doing a separate display with handheld use, enhance product diversity and improve product display effect.