·         Simultaneously display Carbon Monoxide (CO) concentrations, Relative Humidity, Temperature and Date (Year, Month, Day) & Time

·         Visible bright LED (green & red) and three facial icons indicating indoor CO warning level

·         Reliable electrochemical CO sensor

·         Adjustable audible warning alarm (>85dB) when concentration level exceeds set point

·         Internal memory for manually storing up to 99 readings with recall function

·         Complete with USB cable

·         Optional: Backlight display/ AC/DC adaptor

·         CO/ 0 to 999ppm/ 1ppm/ ±5% or ±10ppm of reading

·         Temperature/ -10 to 60°C (14 to140°F)/ 0.1°C (0.1°F)/ ±1.0°C (2°F)

·         Relative Humidity/ 10 to 90%RH/ 0.1%RH/ ±5%RH (@ 25°C

·         With CE certification