I find the specs a bit expensive for what it is, but the software looks really good.
Specs:
- Microcontroller: ESP32-S3
- Air sensors: SCD41, SGP41 & LPS22
- Display: 296×128 e-paper
- Battery: 1500 mAh Li-Po
- Anodized aluminium enclosure
- Real-time clock
- Accelerometer
- Wi-Fi & Bluetooth LE
- ~7.5 days of battery life