The laser module is and precise and sensitive optical instrument. Before carrying on some laser DIY activities, please read about the technical information first and protect your eyes before laser ray. Be sure the operator has experience in optics DIY or testing. Specification
Size 12mm*30mm(not include the length of the lens)
Ouptut Power 3.5 mW <5mw Operating Voltage 3-5VDC
Operating Current 100mA
Wavelength 850 nm
Life Span >10000 hours
Package 1 x 850nm 3.5mW laser module
Only PayPal payment is accepted and payment should be sent within 7 days after auction closing. We strongly recommend you to buy insurance when you purchase valuable items. An additional 5USD for insurance. If you like to buy insurance for your item, please contact us before payment, we can add 5USD to the shipping and handling fee in the invoice and send you a tracking number within 3 working days. Seller decline all responsibility for mail lost or damage for a flat airmail.
We ship to international via China Post Airmail or Hong Kong Post Airmail. Items are shipped within 2-3 business day after receive cleared payment. Most item will arrive within 7-20 business days. It depend on factors like postal service, customs check, distance. In some cases, ship to some countries will take over 3 weeks, especially France. We do not mail items to Italy, Brazil and Argentina. A tracking number by China Post or Hong Kong Post will be provided if your order total is over 20USD. Mail status can be tracked at the official website of your national post office. For example: United States: www.usps.com > 1mw laser may be confiscated by UK, AU customs. Over 5mw are banned in some countries, please read your laws before place the order. We are not responsible for the customs hold or law violation.
Warranty and Return Policy
In 3 days, if you really dislike the item we shipped to you when you received the parcel please return it back to us in 3 days (from the day of receipt). We can arrange refund for you and charge 25% service and handling fee based on the total cost of the product. In 3 month (from the day of shipping out), if any problem happens caused by the item itself, please don? T dismantle it. You can return it in the original package to us. We will repair or exchange new one for you and you just pay for the both way shipment. The best working method is 40 seconds continuously working and 15 seconds resting. Otherwise the laser may be burnt. Please read the using tips on the back of the warranty card. We will not take any responsibility for the incorrect use.
Feedback We will response to any of your inquiries within 24 hours. If you are dissatisfied for any reason, please DO NOT be quick to leave a negative or neutral feedback. We will work hard to make sure EVERY CUSTOMER 100% SATISFIED and resolve any problem for you. If you are satisfied with the product you received, please leave us positive feedback and 5 scores DSR. For we really need your support.