Hama Thermometer "SAFE" + CO2

• CO2 air quality display with the following fields: GOOD (green field = good air quality), NORMAL (yellow field = normal air quality) and POOR (red field = poor air quality)
• Stores the minimum and maximum measured values of the CO2 concentration, temperature and ambient humidity
• Temperature indicator can be switched between degrees Celsius and degrees Fahrenheit
• Display of the ambient humidity in per cent
• An excessively high carbon dioxide value can cause concentration problems, headache and fatigue: the air quality measuring device also issues an audible warning if values are too high and reminds you to ventilate the room
• The rechargeable battery allows the device to be operated for up to 3.5 hours without a power supply
• Battery status bar in 4 bars
• Charging time 240 minutes
• Power Consumption 1000 mA
• Power Supply 5V (Micro USB)