Highly integrated design, which integrates infrared thermal imaging, visible light, ranging positioning, recording and storage; dual-spectral imaging, clear imaging, convenient observation, can achieve day and night concealed monitoring; built-in Beidou/ GPS dual-mode positioning system provides high-precision positioning, with long-range target Beidou/GPS positioning function; with video recording, capture function, convenient for real-time forensics, large capacity SD card storage, fully meet the application needs of handheld devices.