US Patent 11609608 Contact tracing wristband

A wearable contact tracing wristband has a main body with a QR code, at least one indicator light, a location tracker, and a processor. The indicator light provides a visual indication, such as a red light, of when the user is exposed to the condition and until testing or clearance occurs. A wireless communication module is connected to the processor, for remote and automatic activation of the indicator light.