VOLTCRAFT CO2-60 Carbon dioxide detector 0 - 3000 ppm

The Voltcraft CO-60 is a small, compact and easy-to-use CO2 monitor. In addition to measuring the CO2 concentration, it also measures the ambient temperature and relative humidity values that are displayd clearly on the LED screen. The air quality is indicated by a number of LEDs (green, yellow and red). The device is operated either via a USB port or the included AC adapter.

Price: 97.99 from Conrad Electronic