【Intuitive Smiley Face Display】The CX-0710 features a unique smiley face display that changes according to indoor humidity levels, providing an easy-to-understand visual representation of your environment. 【High-Precision Sensor】Equipped with an imported high-precision sensor core, this device ensures accurate temperature and humidity measurements for reliable monitoring. 【Compact and Lightweight Design】With its pocket-sized, lightweight build, this mini thermometer hygrometer is perfect for any space, offering versatility and convenience. 【Energy-Efficient Operation】Designed for long-lasting performance, the CX-0710 is energy-efficient, making it suitable for continuous use in various settings. 【Magnetic Attachment】The device features a magnetic back, allowing for easy placement on metal surfaces for flexible positioning. 【Dual Display】Simultaneously shows both temperature and humidity readings on its clear, easy-to-read screen for at-a-glance information. Specifications: Temperature measurement range: -9.9℃~+70℃ Temperature measurement accuracy: ±1℃ Humidity measurement range: 10%RH~99%RH Humidity measurement accuracy: ±5%RH Temperature resolution: 0.1℃ Humidity resolution: 1% Battery: CR2032 button battery, 210 mAh, 3V