The environmental monitor (PM2.5) :

Reflect the harmful gas (PM2.5) index of temperature, humidity, sunshine with apps, view the environment that occupy the home information anytime and anywhere

  Delivery Time:
1. We have thousands of products in stock. So, once payment confirmed, we will deliver your goods in 24 hours.
Shipping:
2. We only support world-famous Express companies (EMS, DHL, UPS, FedEx), faster and safer by airline.

We service for you 24 hours on line ! 

Warranty: 
1. In one month, if you’re not satisfied with product or product damaged (Not man-made), you can change unconditionally. (About changing, please contact customer service.), return shipping cost is buyer’s responsibility.
2. One year warranty for all accessories and lifelong service.
The Quality of Our Products:
1. First of all, we promised that all the products are brand-new.
2. Secondly, we have inspected quality before leaving the factory, those include but not limited to specifications, appearance, function, package, accessories and so on.
3. Thirdly, we package the products by superior high quality carton to ensure the completeness and low delivery loss.