IR Smart Phone Adapter, Infrared Resolution 320 x 240, Field of View 32 Degrees , Frame Rate 15 Hz, Emissivity Adjustability Adjustable, Minimum Focus Distance 15.24 cm, Thermal Sensitivity 70 mK, Maximum Temperature Measured Degrees F 626 Degrees F, Minimum Temperature Measured Degrees F -40 Degrees F, Focus Method Manual, Maximum Emissivity Setting 0.97, Compatible Operating System Android, Includes Protective Case, Overall Width 1 3/4 in, Overall Depth 1 in, Number of Color Palettes 10