DJI Zenmuse H30T Infrared Density FilterAfter installing the Infrared Density Filter on the infrared thermal camera, the temperature measurement range in Low Gain mode can be increased to 0 to 1600 C (32 to 2912 F), and in High Gain mode to 20 to 450 C ( 4 to 842 F), catering to high temperature measurement needs. Package Includes: 1xI nfrared Density Filter 1x Filter Case 1x Quick Start Guide Tips: For installation, please refer to the Quick Start Guide. Repeated mounting and dismounting