800mw-1 445nm blue Adjustable Laser dot-ellipse dot Module with AC-DC adapter 100-240V This laser module is an industrial electronic component and used for as Industrial test, Lab, DIY. Not a handheld laser. Note: The modules are tested and the output power are measured by laser power meter before sending out. Please don't compare the power of this one with a none-measured laser. If you doubt the output, please have the laser you recieved checked by laser power meter. If there is any problem, please feel free to contact us. We will solve the problem asap.
Lens: Glass Dot: Ellipse--not round by this wavelength Adapter: We have us and eu standard adapter, but we cannot guarantee it can work for you. We send the adapter out as bonus for free. So that if it cannot work, it has no warranty. Duty cycle: 45 seconds on, 15 seconds off, if you want to prolong the duty cycle, please add heatsink, here are some we have: http://www.ebay.com/itm/12mm-Holder-Clamp-Mount-Heatsink-Cooling-Laser-Module-Pointer-Lens-Mirror-/111447362720?pt=LH_DefaultDomain_0&hash=item19f2c7cca0 http://www.ebay.com/itm/Adjustable-Holder-Clamp-Mount-12mm-Laser-Module-Diode-Pointer-Torch-/191279216435?pt=LH_DefaultDomain_0&hash=item2c89213733 http://www.ebay.com/itm/Adjustable-Holder-Clamp-Mount-Heatsink-12mm-Laser-Module-Pointer-Lens-Mirror-/191072922526?pt=LH_DefaultDomain_0&hash=item2c7cd56b9e