30 days return. Buyer pays for return postage. If you use an eBay delivery label, it will be deducted from your refund amount.
Condition:
NewNew
It is ideal for monitoring indoor air quality and ensuring safe levels of carbon dioxide and oxygen. Type CO2 detector. Reading range Temperature - -10 °C to +60 °C.Humidity: 0 to 99.9%. Reading range (max.).