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405nm 300mW Violet Dot Laser Module With Holder For DIY Laser Engraver Description: This 405nm 300mW focusable violet laser module is equipped with constant-current driver board, aircraft aluminum heatsink ideal for DIY laser cutter equipment usage with stable output power and long lifetime can up to 2-3 hours. Specifications: Heatsink Material aircraft aluminum Output Power 300mW Wavelength 405nm(violet laser) Voltage DC 5V Current 400mA Beam Shape dot(focusable) Life Time 8,000 hours Working Temperature -40-75 Cable Length 1.2m(43.31") Feature: 405nm 300mW focusable blue laser module Aircraft aluminum heatsink ensure long working time continuously about 2-3 hours Equipped with constant-current driver board ensure stable output optical power, suitable for industrial engraving machine equipment usage Note: 1.Please wear laser goggles when you using it. 2. We wil send you a plug adapter according to your country. 3.Do not use it for long time woking,the laser module may burn out,kindly hope your understanding. Package included: 1X 300mW Focusable Violet Laser Module 1X Power Adapter 1X Plug Adapter