Features Measures Carbon Dioxide (CO2), Air Temperature and Humidity with user adjustable high/low alarms and choice of datalogging model with memory 999 points White Color LED Dot Matrix Display Checks for Carbon Dioxide (CO2) concentrations (0 to 9,999ppm) and displays Temperature (14 to 140°F / -10 to 60°C) and Relative Humidity (0.1 to 99.9%) readings NDIR (non-dispersive infrared) CO2 sensor Indoor Air Quality displayed in ppm with Good, Normal, Poor indication Displays Year, Month, Date, and Time Max/Min CO2 value recall function
Size(HxWxD): 110mm x 100mm x 48mm
Weight: 210g
Specifications Function Range Resolution Accuracy CO2 0-9999ppm 1PPM ±5%±75PPM Temperature -10 to 60℃/14 to 140℉ 0.1℃/℉ ±1℃/1.8℉ Humidity 0.1 to 100.0%RH 0.1%RH ±3%RH(25℃/30 to 99%RH) ±4%RH(25℃/0 to 30%RH)
Accessories : NiMH battery, gift box .
Logistics information
Our products are located in Hong Kong, China, and the logistics speed depends on your specific location. According to our experience, it usually takes about 15-20 days of transportation time
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How to choose the correct size:
Step 1 Please measure your foot length carefully.

Step 2 Please choose the correct size according to your foot length and chinese size.
For example, If your foot length is 255 mm , you should choose the size 8.
