Best Smart humidity sensor

Govee WiFi Digital Thermometer Hygrometer, Smart Indoor Humidity Meter Temperature Sensor with App Notification, 2 Years Free Data Storage, Remote Monitor for Room Greenhouse Incubator Wine Cellar

ThermoPro TP357 Digital Hygrometer Indoor Thermometer of 260FT, Bluetooth Thermometer Humidity Meter with Smart App, Room Thermometer Humidity Gauge with Temperature Humidity Sensor

Eve Room Indoor air Quality Sensor to Monitor air Quality (VOC), Temperature & Humidity, Apple HomeKit Technology, Bluetooth, Thread, Black

Eve Weather - Apple HomeKit Connected Weather Station for Tracking Temperature, Humidity & barometric Pressure, Weather Trend, IPX4 Water Resistance, Display, Bluetooth, Thread, Black/Silver

SwitchBot Hub2 (2nd Gen), work as a WiFi Thermometer Hygrometer, IR Remote Control, Smart Remote and Light Sensor, Link SwitchBot to Wi-Fi (Support 2.4GHz), Compatible with Alexa&Google Assistant

SwitchBot Thermometer Hygrometer, Bluetooth Indoor Humidity Meter and Temperature Sensor with App Control, Dewpoint/VPD/Absolute Humidity Meter, Data Storage Export, Remote Monitor for Home

Wifi Temperature Humidity sensor with Buzzer and Email / Text Alerts

Aqara Temperature and Humidity Sensor, Requires AQARA HUB, Not Support Hubs from Other Brands, Zigbee, Wireless Thermometer Hygrometer, Compatible with Apple HomeKit, Alexa, Works with IFTTT

2-PackWiFi Temperature Humidity Sensor: Wireless Temperature Humidity Monitor with App Alert, Free Data Storage Export, Smart Indoor Thermometer Hygrometer Compatible with Alexa Google Assistant

SwitchBot WiFi Thermometer Hygrometer 3 Pack with Hub Mini, IP65 Indoor Outdoor Thermometer Wireless, Humidity/Temperature/Dewpoint/VPD/Absolute Humidity Sensor with Smart Alerts, Works with Alexa