Dot or line (glass lens, not plastic). Continuous> 12 hours (add a fan is the best). Correct operation 1-2 years without any problems. We manufacture laser from 2007.
All products are developed and manufactured by ourselves. Please be sure not to dismantle the item unauthorized. The item "Focusable 200mW 532nm DIY green Laser Diode Module continuous work light match" is in sale since Friday, September 06, 2013. This item is in the category "Business & Industrial\Healthcare, Lab & Life Science\Lab Equipment\Lab Lasers & Photonics".
The seller is "lyzq2000" and is located in shenzhen, guangdong. This item can be shipped worldwide.