Thermal Camera Imager 2.8 Inch Screen Cool Hot Point Tracking Color Palette Handheld Infrared Thermal Imaging Camera Item Type: Thermal Camera Imager Material: ABS Model: ET692B Battery: 1 x 18650 2200mAh lithium ion battery (built in) Use: Widely used in fire protection, construction, transportation, agriculture, geology, energy, smelting, electronic manufacturing and other fields Basic Parameters: Infrared Detector Type: Vanadium oxide uncooled infrared focal plane Infrared Resolution: 160 x 120 Infrared Response Band: 8 to 14μm Pixel Size: 12 μm NETD: ≤50mK at 25℃, at F 1.1 Lens Focal Length: Approx. 3.2mm/0.1in IFOV: 3.75mrad Field Angle: 35° x 27° Focusing Mode: Free of focusing Temperature Measurement Range: -20℃ to +550℃ (-4℉ to 1022℉) Temperature Measurement Accuracy: ±2℃ (35.6℉) or ±2% Temperature Measurement Resolution: 0.1℃ Temperature Measurement Mode: Center point, cold hot point tracking Palette: Rainbow, Iron Red, Cool, White Heat, Black Heat Emissivity Setting: 0.01 to 1.00 adjustable Thermal Imaging Frame Rate: ≤25Hz Visible Light Resolution: 640 x 480 Display Size: 2.8 inch (240 x 320) Image Display Mode: Infrared, visible, dual light mixing Lighting System: LED fill light