They are removed from new machine. Please find the picture to the + and - pole, if you cannot install it, please let me know. Please read item description, datasheet or the manual before using the products. We will help you as soon as possible. If you want to change to another address, please leave us a message immediately before it is mailed out.We will response to any of your inquiries within 24 hours. If you do not get a response from us, please check your junk or spam mailbox.
We are committed to resolve all issues in a friendly and satisfactory manner. All products have been checked and packaged in good condition before dispatch. In case the item is defective, please inform us within 3 days of receipt. We can arrange replacement for you if the situation is confirmed. You can return it in the original package to us.The item "10pcs 5.6mm 80mW 100mw 650nm 660nm Red Laser Diode LD with PD TO18" is in sale since Monday, July 09, 2012. This item is in the category "Business & Industrial\Healthcare, Lab & Life Science\Lab Equipment\Lab Lasers & Photonics". The seller is "laserlands" and is located in Beijing. This item can be shipped to North, South, or Latin America, all countries in Europe, all countries in continental Asia, Australia.