YZ6045 Bluetooth-compatible Thermometer Hygrometer Smart Digital Mini Indoor Wireless Temperature Humidity Sensor 【Large LCD Display】Featuring a large LCD screen that offers wide viewing angles and high clarity,this device ensures easy readability from various positions. The low-energy design minimizes power usage,making it both eco-friendly and cost-effective for long-term operation without sacrificing visual quality. 【Versatile Placement Options for Any Setting】This device can stand upright,be stuck to surfaces using the included wall stickers,or even be mounted on walls. This adaptability allows for convenient placement in multiple scenarios. 【Real-Time Temperature and Humidity Monitoring】With the qaqa app,adding a Bluetooth-enabled thermometer allows you to monitor real-time temperature and humidity data effortlessly. 【Intuitive Emoji Indicators for Comfort Levels】Equipped with expressive emojis that visually represent the comfort level based on temperature and humidity readings,this device makes it simple to understand subtle environmental changes. 【Long-Lasting Battery Included】It comes with a single battery that is built to last,minimizing the frequency of replacements and offering convenience and reliability over time. Specification: Temperature measurement range: -50°C~+70°C Temperature resolution: 0.1°C Temperature measurement accuracy: ±1°C Size: 43*43*12mm APP: qaqa Battery: 1 x CR2032 coin cell battery (included) Package included: 1 x Thermohygrometer (with Button Cell) 1 x English and Chinese User Manual