SwitchBot CO2 Detector, CO2 Meter with Thermometer Hygrometer Indoor, Air Quality Meter with CO2 Alarm, Bluetooth CO2 Sensor with App, 2 Year Data Storage, Hub Required

SwitchBot CO2 detector with Built-in Hygrometer, Temperature Humidity Monitor with carbon dioxide monitor, Bluetooth CO2 Monitor, 2-Year Data Storage, SwitchBot Hub Required for WiFi Function

SwitchBot IP65 Indoor Outdoor Hygrometer Thermometer Wireless 3Packs, 100m Bluetooth Range, Refrigerator Thermometer, Dewpoint/VPD/Absolute Humidity Sensor, 2-Year Battery Life, Free Data Storage

SwitchBot Matter Hub 2, 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