1.This product is a constant current low voltage 5V, please connect 5V low voltage or purchase transformer switching power supply.
2.No adhesive on the back of the product.
1. Any quality problems or shippment damage, please show us the test report or photos, we will Refund you 50%-100% money to you. Man-made defects are not guarantee, such as broken, scrash.
2. If you are not satisfied with the products, it is ok to return to us within 15 days. We will full refund to you after receiving the return parcel, but you have to pay the shipping charge.
3. If more than 60 days not received your package, please contact us for extend shipment protection. Or We will check whether you can receive package, If not, we will full refund to you.
4. All returned items MUST BE in the original packaging and you MUST PROVIDE us with the shipping tracking number, specification reason for the return.
5. We will refund YOUR FULL WINNING BID AMOUNT, upon receipt of the item in its original condition and packaging with all components and accessories included, AFTER BOTH Buyer and Seller cancel the transaction from aliexpress. OR, you may choose to have a replacement.
6. We will bear all the shipping cost if the product is not as advertised.
1.1 year manufacturer`s limited warranty for defective items (excluding items damaged and/or misused after receipt). Accessories come with a 3-month warranty.
2.Defective items must be reported and returned within the warranty period (and in the original packaging, if possible). You must tell us what the defect is and give us your order number. We do not repair or replace items with an expired warranty.
3.You agree to all of the above-listed policies upon ordering on aliexpress!
Please contact us at the FIRST TIME if not satisfied,we will offer best service until you are satisfied.
If you satisfied with the items,please remember leave us 5 STARS as encoragement.