Features: Smart Thermometer: Combined with Bluetooth 4.0 and NTC technology, it can be used with mobile APP to provide you with the latest temperature data anytime and anywhere, making you more at ease. Real-time monitoring function: You can continuously monitor the body temperature when the child has a fever, and then record and draw a table to learn about the child's body temperature in detail. High temperature alarm: When your child's fever exceeds the set temperature, the APP will issue an alarm to deal with it in time to prevent the child from being in a high temperature state for a long time, so as to avoid adverse consequences. Best Home Tool: It's dedicated to giving our family members the best possible care. It is also suitable for all ages, children, adults and the elderly. Safety materials: Made of environmentally friendly materials, safe, breathable and comfortable. Note: Due to different monitors and light effects, the actual color may be slightly different from the image Due to manual measurement, please allow 1-3cm deviation Specification: Bluetooth Version: BLE4.0 Temperature Sensor: NTC Sensor Display: LCD Temperature Accuracy: 0.1 (32-42 degrees Celsius) Standby Time: 12 months Test Time: 8-10 minutes to reach accurate temperature value Strap: Silicone material length 22.5 cm Includes: 1 Smart Bluetooth Thermometer