Continuous Glucose Monitoring (CGM) sensor, with a validity period of 15 days. Used with the Freestyle Liber 3 app via mobile phone. Made in the USA. Brand new, unused, and unopened from the factory box. Latest available production date with an expiry date of 2/28/2027. If interested, please contact via private message, , or call the number (mobile number appears when you click the contact button). Price: 140 Location: Riyadh, and delivery is possible to all cities in the Kingdom.