eMylo WiFi Thermometer Hygrometer with Waterproof Probe, Smart Indoor Temperature Humidity Monitor with Brightness Sensor, LED Backlit Screen, APP Control, Buzzer Alarm&App Alert,Compatible with Alexa

Specification ParametersWorking voltage: 5VStatic current: 15mAMaximum alarm current: 70mAHumidity measurement range: 0~100%Temperature measurement range: -20~+125 °CBrightness percentage measurement range: 0~99%Humidity measurement accuracy: ± 1.8%Temperature measurement accuracy: ± 0.2 °CCharging time: ≤ 2 hoursBattery usage time: ≤ 12 hours (fully charged state)Built in battery specification: 3.7V/600mAhWiFi frequency: IEEE 802.11 b/g/n 2.4GHzQuestion and AnswerQ: Unable to connect to mobile app?A: The distance between the product and the router is beyond the communication range of the product. Please pair the network within 1-3 meters of the router. The WiFi frequency does not support 5GHz, only 2.4GHz.Q: Why hasn’t the mobile app received any alert notifications?A: Please go to the mobile system settings and grant permission to open the push application. Please ensure that the product is within the coverage range of WiFi signal.Q: After setting up the app, it keeps displaying (!), is synchronization too slow?A: After restarting the product, the app settings can be automatically synchronized.Q: Why is there a delay in the date and time displayed on the product?A: The product is not connected to WiFi. Automatically synchronize date and time after connecting to WiFi.Q: Why does the product display screen not show numerical values and instead shows "--"?A: The product exceeds the testing range.

• 2.4GHz WiFi Connectivity & Dual Power Supply - Connect this WiFi thermometer hygrometer to 2.4GHz WiFi (5GHz not supported) for seamless remote monitoring—check real-time temperature and humidity anytime, anywhere via the Smart Life/Tuya App, anywhere, with a built-in light sensor for comprehensive environment detection. Powered by USB and a built-in rechargeable backup battery, it delivers up to 12 hours of continuous use during power outages, ensuring non-stop environmental tracking. Unlock full smart functionality: remote monitoring, app alerts, historical dat a view & export, temp/humidity trend graphs, °F/°C unit switch, smart linkage, and voice control compatibility.
• High-Definition Easy-Read Display & Precision Sensing - Boast a clear smart display that shows temperature, humidity, brightness, time, and date at a glance—equipped with a backlight for effortless reading in dimly lit spaces. Built-in high-precision sensors capture tiny environmental changes as small as 0.1°C with 1-second real-time updates (zero delay). With accuracy: ±0.2℃ (±0.36°F) for temperature (range: -4℉ ~ 257℉ / -20℃ ~ 125℃) and ±1.8% for relative humidity (range: 0-100%).
• Smart Alerts & Custom Scene Automation - Set custom high/low temp/humidity thresholds and low battery alerts via the Smart Life/Tuya App. A buzzer alarm and instant app notifications activate automatically when readings go beyond your preset range. (Note:Buzzer can be disabled as needed.) Unlock smart home automation: create custom scenes to trigger paired smart devices (e.g., auto turn your AC on/off when temperature reaches your set limit) for a fully automated living environment.
• Hands-Free Voice Control Compatibility - Works with Amazon Alexa and Google Home for voice-activated monitoring. Simply issue voice commands to check real-time temp/humidity data (e.g., "Alexa, what's the temperature in the baby room?")—freeing your hands for effortless smart home management. Note: Temperature data is not displayed in the Alexa App.
• Free 1-Year Data Storage & Export - Access comprehensive environmental tracking via the Smart Life/Tuya App: view hourly, daily, monthly, and yearly temp/humidity trends online, and export up to 1 year of historical data for easy analysis and tracking—no subscription fees required. Perfect for home, baby room, kitchen, greenhouse, wine cellar, garage, basement and more.
• External Temperature Probe Support - Expand your monitoring range with the included external temperature probe (3.28 ft in length), perfect for tracking temperatures in specialized areas such as reptile tanks, terrariums, humidors and fish tanks. It meets all your personalized environmental temperature monitoring needs for different scenarios.