Color:White+black color CO2 Range:0~9999(out of scale) Logging Memory:12700 Rosponse time:10sec Temperature range:-10~70C Humidity Range:0.1~99.9% Large LCD Display:3.5"(8.9cm)LCD display with backlight Sensorlife:15years in normal comm. Environments with ABC USB:Co2 detector High quality:Co2 gas analyzer