Wireless Bluetooth Thermometer Hygrometer, Mini Humidity Temperature Sensor with Data Export Alerts

Features: 1. High accuracy MEMS sensor, refreshes per second, temperature error ±0.5°C, humidity error ±5% 2. Bluetooth 5.0, 50m open area range, real-time monitoring of temperature (-20 to60°C) and humidity (0-100% RH) 3. Smart alerts: Notifications when data exceeds preset values, compatible with Android 4.3+, iPhone 4s+ 4. Data storage: Records every10 seconds, up to100 days, export as CSV format for free 5. Mini portable design: 1.5 x1.5 x0.62 inches, CR2477 battery (10 months lifespan), hanging hole for placement Product Details: Connectivity: Bluetooth5.0; Battery: CR2477 (included) Specifications: Dimensions:1.5 x1.5 x0.62 inches; Weight: ~1.3 ounces; Temperature range: -20°C to60°C; Humidity range:0-100% RH; Connectivity range:50m (open area)