The Accu-Chek Smart Guide Sensor is a wearable CGM device designed for people with diabetes. It provides real-time glucose readings and predictive alerts via a mobile app. The sensor is comfortable, water-resistant, and lasts up to 14 days. It uses a small filament under the skin to measure glucose in interstitial fluid. Wireless data transfer occurs every 5 minutes, helping users manage their condition proactively. Please Note that product description, color, ingredients, package and other information maybe different from the original pack kindly check the product for more accurate details.