Air Quality Monitor Indoor 5-in-1 Meter Pro CO2 Detector, CO2 Alarm, CO2 Monitor with APP, Large Display, Bluetooth Air Quality Tester for Home, Office, 2-Year Data Storage (Meter Pro CO2)

Air Quality Monitor Indoor 5-in-1 Meter Pro CO2 Detector, CO2 Alarm, CO2 Monitor with APP, Large Display, Bluetooth Air Quality Tester for Home, Office,Car (Meter Pro CO2+Outdoor Meter+Hub Mini)

Bluetooth Hygrometer Thermometer, IP65 Indoor Outdoor Humidity Sensor with Remote App Control, Room Temperature Monitor with 394ft Bluetooth Range, 2-Year Battery Life (Outdoor Meter*2)

SwitchBot Bluetooth Hygrometer Thermometer 3 Pack with Hub, Smart Humidity Temperature Sensor with App Notifications, 394ft Bluetooth Range, Work with Alexa, Google Home, HomeKit

SwitchBot Meter Pro, Digital Hygrometer & Thermometer - Wireless Indoor Temperature & Humidity Monitor with Bluetooth App Control, Real-Time Alerts (1, Meter Pro)

SwitchBot Meter Pro, Digital Hygrometer & Thermometer - Wireless Indoor Temperature & Humidity Monitor with Bluetooth App Control, Real-Time Alerts (1, Meter Pro+Outdoor Meter)

SwitchBot Meter Pro, Digital Hygrometer & Thermometer - Wireless Indoor Temperature & Humidity Monitor with Bluetooth App Control, Real-Time Alerts, Works with Apple Home