The Xtreme boot offers maximum performance in a lightweight rugged solution for using Radiation Alert® products in the field. The Xtreme boot is designed specifically for individuals operating in tough environments, such as 1st Responders, Mining and HAZMAT crews. Made of a RoHS compliant TPE rubber, the case also offers superior grip and drop protection. When using the alpha window of the pancake detector, simply remove the protective cap on the back of the case exposing the end window of the GM for alpha detection. The Xtreme boot is designed for use with the Ranger, Ranger EXP, and Monitor 200 Model handheld radiation detectors.