190-490nm OD4+ Laser Safety Glasses UV/Violet/Blue Radiation Protective Eyewear

Description

190-490nm OD4+ Laser Safety Glasses UV/Violet/Blue Radiation Protective Eyewear
Specifications:
This
laser safety goggles
comply with European CE and American Certificated
.
Wide size,
you can wear a pair of glasses inside at the same time
.
Protective wavelengths: 190
~
490nm
OD
value within
protective wavelengths:
4+~6+
(OD=lg(1/T), T is light transmittance. T>4 means
light transmittance less than 0.01%
).
Visible transmittance: 50%.
Does not affect the visual
.
Applications: the protection of
ultraviolet disinfection lamp,
violet/blue laser, screen's blue-ray etc.
Warmly
welcome
you, my dear friend
！
☺
Notes:
1. Ensure you are clear about the product specification, datasheet,  and operating instructions before usage.
2. Protect your yourself from the laser when you operate on it.
3. Ensure your safety during operating when power connected.
Buying tips
1. Feel free to contact us for the datasheet or the specification if needed.
2. Any question about the product, just let us know. We  are always ready and will try our best to help you!
3. Please leave your full name and ensure your phone number, address and postal code are detailed, correct and available for contacting.
4. Confirm your address is updated before our shipment. If you need to change to a new address, contact us as soon as possible.
Shipping and tracking
We will arrange the shipment within 3 days after confirming the payment and your receiving information (including your Full name, phone number, address, postal code etc.) is confirmed.
The  package is shipped from China Mainland. We will send you the tracking number for all orders and you can track the package via the website.
Economy shipping: Speedpak---About
7-20
working days per different countries.
Expedited shipping DHL, UPS, Fedex,  or others---About
3-10
working days per different countries.
Tax and customs
Buyers pay for the tax and customs/duties. We do not cover any tax and customs/duties in the price and shipping fee.
If you need any help, just contact us.
Return policy
All products are checked and packaged well before our shipment. In case it is defective, please inform us within
3
days after receiving it. We will arrange the replacement for you if the situation is confirmed. We can replace a new one for you, but the buyer bear both ways shipping fees, including you sending to us and we sending to you.
Feedback
We are pleasant to leave positive feedbacks for you and also expect for your positive feedbacks. Any question about the product, just contact us. We will try our  best to solve your problem as soon as possible. We cherish your suggestions very much. However, leaving negative feedbacks at random really hurts. Let us solve your problem first.
☺