VEVOR Thermal Imaging Camera, 320 x 240 Pixels Super Resolution with 2MP Visual Camera, 25Hz Refresh Rate Infrared Camera with -4℉~1022℉ Temp, 64G SD Card and Rechargeable Li-ion Battery

Fusion mode is an image mode, and the alignment distance is the observation distance that sets the fusion mode. For example, if you want to observe at 2m, you need to set the alignment distance to 2m and use the fusion mode for observation. Otherwise the infrared camera and visible light camera cannot be aligned.

Here is the link to the manual: https://d2v0huudrf11kh.cloudfront.net/vevor-center-goods/%E7%83%AD%E6%88%90%E5%83%8F%E4%BB%AA%E8%AF%B4%E6%98%8E%E4%B9%A6%E8%BD%AC%E6%9B%B2_1654846431923.pdf.

Hello, Package Content:1 x USB Cable

Hello, we are very sorry for the inconvenience, due to the lack of prototype for the time being, our technicians can not verify your question in time to give an accurate answer, you can refer to the product detail page/manual for more information, thank you for your understanding.

The minimum temperature difference is＜40mk.