(China (Mainland))
Product Summary
Air quality sensor to detect harmful gases MQ135 sensor module
Showing 5 most helpful reviews on this product.
- 5 Stars 0
- 4 Stars 0
- 3 Stars 0
- 2 Stars 0
- 1 Stars 0
5.0 Overall Rating
100%Of Customers
recommend this
| Return Policy |
If the product you receive is not as described or low quality, the seller promises that you may return it before order completion (when you click 'Confirm Order Received' or exceed confirmation timeframe) and receive a full refund. The return shipping fee will be paid by you. Or, you can choose to keep the product and agree the refund amount directly with the seller. N.B.: If the seller provides the "Longer Protection" service on this product, you may ask for refund up to 15 days after order completion. |
| Seller Service |
|
Buyer Protection
Protecting Your Purchase from Click to Delivery
-
Full Refundif you don't receive your order
You will get a full refund if your order does not arrive within the delivery time promised by the seller.
-
Refund or Keepitems not as described
You can get a full refund if your item is significantly different from the seller's description
or
You can choose a partial refund and keep the product.
