Switching:You Can Hold Down The / Button To Switch Temperature Units Of Or At The Measurement Interface. 2 Color Paletters:This Thermal Imager Provides Two Types Of Color Palettes, Iron Oxide Red And White Glow. You Can Press Palette Button To Switch The Color Palette According To Your Needs. Iron Oxide Red Color Palettes Ing On Display Of Color. This Color Palette Is Very Suitable For High Heat Contrast And Used To Improve The Color Contrast Between High Temperature And Low Temperature. But The White Glow Color Palette Provides Even Linear Color. Large Capacity Lithium Battery: This Thermal Imager With The Large Capacity Lithium Battery To Supplys Power, You Can Recharge It In Time To Avert Affecting Use. Wide Applications:This Thermal Camera Is Widely Used In A Variety Fields Such As Fire Fighting, Archaeology, Traffic, Agriculture, Geology, Energy, Smelting, Electronic Manufacture, Etc. It Is The Selection For Electrician And Maintenance Personnel And Technicians And Can Be Used To Find The Problem Area Quickly. Large Display Screen&Portable Sizethis Thermal Imager With The Large Lcd Display Screen For You To Read The Images More Clearly And The Proper Size Are More Convenient For You To Take It Out To Use