Product Specification:
· Temperature unit Celcius or Fahrenheit;
· 24 hours real time monitoring;
· Detection range:CO2 ( 400-5000 ppm);
· CO2 Alarm value : 800ppm-2000ppm ,but this value can be setted by hand;
· CO2 Alarm on /off function;
· Power supply: Re-chargable Li-battery 2000mah including USD cable;