High-Quality Thermal Resolution – IR resolution of 320 x 240 pixels (enhanced to 640 x 480 pixels with Testo SuperResolution technology) Exceptional Thermal Sensitivity – < 0.04°C NETD for detecting even the smallest temperature differences Manual Focus & Interchangeable Lenses – Ensures sharp images for both close and distant objects Smart Image Management – Testo SiteRecognition automatically assigns images to the correct measurement location Multi-Device Wireless Integration – Connects via Bluetooth to the testo 770-3 Clamp Meter and testo 605i Thermohygrometer for comprehensive thermal analysis.