The Carolina Custom Cages Reptile Digital IR Surface Thermometer is a reliable, easy-to-use device that is perfect for keeping track of the surface temperatures in your reptile habitat. With a measurement range of -58 degrees to about 572 degrees, this thermometer is perfect for any species of reptile. The LCD backlight makes it easy to read, and the auto power off feature ensures that the thermometer will shut off automatically if the batteries die. The max/min feature allows you to see both the highest and lowest temperatures in your reptile’s environment, making it easy to keep an eye on the health of your animals.