3 seconds laboratory-level accuracy: triple environmental sensor (temperature/humidity/pressure) reaches ±0.2ppm accuracy, 10 times more reliable than urine strips and 3 times faster than blood strips.Automatic calibration ensures barrier-free operation. GPS environmental calibration: Optimize sensor response through anonymous geographic data (no personal tracking) to maintain stability under extreme conditions (high altitude/humidity).Encrypted transmission, 0 personal data collection. 500+ Test: The Great MEMS sensor continues to use almost 2 times the industry average (300 tests).Includes 10 medical grade disinfection nozzles, reducing the risk of oral bacterial contamination by 90%. 200 offline records + Intelligent trend analysis: Data can be stored without Bluetooth, and graphics can be generated automatically after synchronization. Comprehensive recommendations based on ketone levels. Long-lasting battery + Durability: Type-C charging port, long-lasting battery, supports a convenient lifestyle, whether you are or . Color:As Shown Material:plastic Package Contents: 1 * analyzer 10 * nozzle 1 * Charging cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.