Kaiterra
Kaiterra Laser Egg+ CO2
$200
Kaiterra Laser Egg+ CO2 Overview
The Kaiterra Laser Egg+ CO2 is a premium CO2 monitor that tracks CO2, PM2.5, Temperature and Humidity. It uses a NDIR sensor — the technology we recommend for reliable CO2 readings — with a stated accuracy of ±50 ppm across a 400-10000 ppm measurement range. At $200, it is aimed at on-the-go monitoring, home use and offices.
In day-to-day use, the Laser Egg+ CO2 offers an onboard display, so you can read levels at a glance without opening an app, plus WiFi and Bluetooth connectivity for logging trends and setting alerts, plus a portable design with 8 hours of battery life, making it practical to carry between rooms or when travelling.
Best For
Full Specifications
| Price | $200 |
| Sensors | CO2, PM2.5, Temperature, Humidity |
| Sensor Type | NDIR |
| Connectivity | WiFi, Bluetooth |
| Display | Yes |
| Portable | Yes |
| Battery Life | 8 hours |
| CO2 Accuracy | ±50 ppm |
| CO2 Range | 400-10000 ppm |
Pros & Cons
Pros
- ✓True NDIR CO2 sensor (not an eCO2 estimate)
- ✓Multi-parameter monitoring: CO2, PM2.5, Temperature, Humidity
- ✓Built-in display for at-a-glance readings
- ✓WiFi connectivity for remote monitoring and history
Cons
Compare this monitor with others using our Monitor Comparison Tool
Frequently Asked Questions
Is the Kaiterra Laser Egg+ CO2 accurate?+
The Kaiterra Laser Egg+ CO2 uses a NDIR sensor with a stated accuracy of ±50 ppm over a range of 400-10000 ppm. NDIR is the proven reference technology for consumer CO2 monitoring.
What does the Kaiterra Laser Egg+ CO2 measure?+
It measures CO2, PM2.5, Temperature, Humidity. CO2 is the key metric for judging ventilation — levels below 800 ppm indicate well-ventilated air.
Does the Kaiterra Laser Egg+ CO2 need WiFi?+
The Kaiterra Laser Egg+ CO2 supports WiFi (plus Bluetooth) for remote monitoring, but the onboard display works without any connection.
Is the Kaiterra Laser Egg+ CO2 worth it in 2026?+
At $200, the Kaiterra Laser Egg+ CO2 is a solid choice for on-the-go monitoring, home use and offices. Its NDIR sensor puts it ahead of cheaper eCO2 estimators. Compare alternatives in our monitor comparison tool before buying.
How long does the Kaiterra Laser Egg+ CO2 battery last?+
The Kaiterra Laser Egg+ CO2 runs for 8 hours, and its portable design makes it easy to move between rooms or take when travelling.