Air quality
SwitchBot Meter Pro (CO2 Monitor)
SwitchBot
Desk or wall monitor from SwitchBot showing CO2 (NDIR sensor, 400-9,999 ppm, ±5% per SwitchBot), temperature, humidity and time on one screen, with audible and on-screen alerts; it runs on USB-C power or batteries (up to 12 months, per SwitchBot). App alerts, cloud history and smart-home features need a separate SwitchBot Hub. Price: $69.99, checked Oct 4, 2026; 1-year warranty per SwitchBot. US availability: sold on SwitchBot's US store, in stock. Directory: Air quality > CO2 monitors.
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