1PC New AZ8403 portable dissolved oxygen meter

Description

Payment Method 　1` We accept PayPal only. Fastest and safest way for making a payment.2` Please make the payment via PayPal within 7 Days From the end of the auction end.3` Positive FB will be left after received your payment. 　Shipping 　1` We will send out a combine invoice to you after you buy all your items.2` Item will be shipped within 2 business days upon receipt of payment ,we can ship it from DHL.Ups, fedex ,Singapore Post.    Hong Kong Post, china Post or many other delivery service, please choose which delivery service do you need .3` Please confirm your address after you bid the item.　Return Policy 　1` We believe our items are so outstanding. We are convinced you will be happy with your Purchase.2` If you do not satisfy with our items. Please simply return to us within 14 Days in original condition. Just pay for the    returned postage. Then we can issue full refund to you after the returned item arrived at our warehouse.3` Please include your eBay ID and item number with any email requests 　Feedback & Contact US 　1` When you satisfied with our product and services please leave us positive feedback.2` If a problem occurs, contact us immediately with any email request.3` Just contact us using the " Ask the seller a question" link on eBay.