Continuous glucose monitoring system sensor, with a shelf life 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 ( Phone number appears when clicking the contact button ) Price: 150 Location: Riyadh, and delivery is possible to all cities in the Kingdom.