ThermoPro TP350 Bluetooth Room Thermometer, Indoor Hygrometer with Alerts, Humidity Meter and Temperature Monitor Smart App Data Record & Export, Sensor for Baby Office, 3 Pack

App Control:This bluetooth digital hygrometer helps you easily monitor temp and humidity changes from up to 80M away (no obstructions); ThermoPro App does not require user registration to better protect your privacy Data Storage and Export: This temperature and humidity monitor features a 2-year data storage and export function; with the data history, you can gain insights into environmental conditions to make your plans of adding clothing, adjusting the humidifier etc. in advance High Accuracy: Designed with an advanced NTC temperature and humidity sensor, this Bluetooth room thermometer features high accuracy (+/-0.5℃ and +/-2% RH) and sensitivity (10-second refresh) and while delivering a stable signal to your mobile phone Backlit Display and Comfort Indicator: This humidity meter features a large backlit display, ensuring readings are clearly visible even in low-light conditions; face Icon comfort indicator informs you any environmental change with just a quick glance Multiple Usages: Take this indoor thermometer to monitor the temperature of your bedroom, baby room, musical instrument room, cigar room, etc and more