Personnel tracking ensures the safety of patient and employee . Stable advertising signal makes it easy to track and locate your patients, employees and students. Emergency button to notify emergency situations, task completion, or other predefined events in time. All-round service to save your time and costs to market quickly . Certified for USA (FCC), Europe (CE) including REACH and RoHS environmental regulation . All other worldwide certifications can be customized . Branding, Logo, Label, Packaging, Manufacture parameters, strap, even hardware and firmware are all customizable.