Heavy-duty LF/HF disc tags with IP69K/IP68 sealing and impact-resistant PA6 housings. Withstand peaks to 266 °F (130 °C) and resist oils, salt water, and chemicals; ATEX/IECEx flame-resistant yellow versions available. Mount securely with a central screw to plastic or wood; NFC/HF options enable proof-of-presence via smartphones. Fits outdoor equipment, mining/oil & gas, plastic bins, and guard-tour applications. Barcodes, Inc.