Specification:

Model： NEJE laser Module 3.5w Heatsink Material： Aircraft Aluminum + Brass Shell Luminous Color： Blue Laser diode： NUBM0A with NEJE Cap technology LD Current： 3.2A Section Size： 30mm x 30mm Cooling Mode： 40mm copper core + Heat Sink Groove+ Thermal silicone grease + 15000 rpm cooling fan Dimension： 80 * 30 * 30mm Intput Voltage： DC 12V Can Engrave： MDF/Balsa/Paper/Wood/Fabric/Plastic/Leather/Plywood/Foam Paper/Anodized Aluminum Can Not Engrave： Metal/Glass/Stone/Ceramics/PCB/Stainless Steel/Reflective Material/ Transparent Material Technical Parameters： Module Input： 3.5w Laser Output Power: 500mw Wavelength： 450nm Beam Shape： Dot (Focusable) Working Voltage： DC 12V TTL&PWM Modulation： YES, Compatible with Both TTL & PWM Modulation Input Voltage： DC12V PWM/TTL Input： DC3.3V-12V Input Interface： PH2.0-4Pin (+,-, PWM/TTL, Temperature), 3Pin (+,-, PWM/TTL) , 2Pin+2Pin (+,-) + (PWM/TTL,-) NOTE： Temperature interface can be disconnected，NEJE provides text instructions for temperature acquisition on wiki. Drive Mode： External ACC Safe temperature range： <70 ℃ Module weight： 202g ( The lighter the weight, the smaller the move inertia, the better the performance ) Life Time： 20,000 hours