Thermal Imaging Camera 120x90 IR Resolution HD Handheld Imager ‑25℃ ~ 550℃ Temperature Tester Item Type: Thermal Imaging Camera Model Number: ST8550 Material: ABS Battery: Model: 18650 Lithium battery 2000mAh Application: Widely used in medical, fire protection, archaeology, transportation, agriculture, geology, energy, smelting, electronic manufacturing and other fields, which is an ideal choice for electricians and maintenance technicians, can be used to quickly find the problem area Basic Parameters: Infrared Detector Type: Vanadium oxide uncooled infrared focal plane Infrared Resolution: 120×90 Field Angle: 26°x19° Pixel Size: 12μm NETD: ≤50mk at ℃, at F/1.1 Frame Rate: ≤25Hz Lens Focal Length: Approx. 3.2mm / 0.13in Emissivity: Adjustable from 0.01 to 1.00 Infrared Response Band: 8 to 14μm Focusing Mode: No focusing Temperature Measurement Range: -25℃ to 550℃(-13℉ to 1022℉) Measurement Accuracy: ±2℃ (35.6℉) or ±2% Temperature Measurement Mode: Center point, cold hot spot tracking Color Palette: Rainbow, iron red, cool, white hot, black hot Display Screen Size: 2.8in(240×320) Image Display Mode: Infrared, visible, dual light fusion Lighting System: LED fill light Device Storage: Built in 4G eMMC(user available storage space is about 3G) Image or Video Storage Format: JPG/MP4