Govee (US) has Govee Smart Wireless Indoor Air Quality & Humidity Monitor (H5106) for $30.99 after applying code TAKE5 in cart. Shipping is free.

Features:

• Multifunctional Air Quality Detector: Conveniently measure indoor air quality.
• Fast & Accurate: Stay updated with 2s refresh speed.
• Different Displays: Check the time and the PM2.5 display.
• Connect with Govee Smart Home Appliances: Set target air quality.
• Data Storage & Export: Remote monitoring via Bluetooth or Wi-Fi.