PakSense time and temperature monitoring labels are flat, about the size of a sugar packet, and are able to digitally record time and temperature of a product.s environment during the entire distribution cycle. Acceptable temperature range specifications are pre-programmed into each label by PakSense and can be customized for each product application, such as meats, seafood, produce or pharmaceuticals. The user simply snaps the corner of the label to activate it and attaches it to product. Labels are encased in food-grade packaging, are waterproof, and can record data for up to eight weeks. Each label is identified by a unique serial number. PakSense TXi Labels are easy to use and provide incredible insight into what happens to product during distribution.