The Rajant BreadCrumb ES1-ATEX1 and ES1-C1D1 models are IP67 Kinetic Mesh network devices intended for use in Hazardous Locations (HazLoc) with the following regional classifications in zones or divisions which are areas where a mixture is likely to occur in normal operation: ES1-ATEX1 – European & IECEX classification: ATEX Zone 1 (gases); and ES1- C1D1 – North American classification: Class 1 Division 1 (gases).