20W Laser Module DIY Kit 450nm Professional Continuous 5.5W

Features:Can be used for laser cutting machine laser engraving machine CNC DIY laser.Original laser diodes high-quality LD capping technology ensure service life.Built-in driver board 40mm threaded copper core with thermal grease compound temperature sensor NEJE factory 48 hour 100% power aging test ensure long time working.New lens clear focus not stray light adjustable focal length.Can carving / cutting MDF balsa paper wood fabric plastic leather plywood foam paper anodized aluminum etc.(Not suitable for iron or other metal)Specifications:Material: ABS+ aluminumLuminous Color: BlueSection Size: 30 * 30mm / 1.18 * 1.18inCooling Mode: 40mm copper core + heat sink groove + thermal silicone grease + 15000 rpm cooling fanAdapter Plug: US plugAdapter Input Voltage: AC100~240V UL certification high qualityAdapter Output Voltage: DC12V 2ACan Engrave: MDF/balsa/paper/wood/fabric/plastic/leather/plywood/foam paper/anodized aluminumCan NOT Engrave: Metal/glass/stone/ceramics/PCB/stainless steel/reflective material/ transparent materialPWM/Temperature Tester Board Specification:Power Input: DC12VOutput: PH2.0 4pin (12V GND PWM/TTL temperature)Mode: 3 modes (off manual pwm pwm / ttl in)Temperature Display: YesPWM Display: YesManual PWM Control: YesTechnical Parameters:Module Input: 18-20WLaser Output Power: 5.5W (5500mW)Wavelength: 445-450nmBeam Shape: Dot (focusable)Working Voltage: DC12VTTLPWM Modulation: YES compatible with both TTL PWM modulationInput Voltage: DC12VPWM/TTL Input: DC3.3~12VInput 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 ACCSafe Temperature Range: 70?Life Time: 20 000 hoursModule Weight: 202g(The lighter the weight the smaller the move inertia the better the performance)Item Size: 80 * 30 * 30mm / 3.15 * 1.18 * 1.18inPackage Weight: 700g / 24.69ozPackage Size: 36 * 16 * 11cm / 14.17 * 6.30 * 4.33inModule Test:Material: Plywood thickness 3mmSpeed 330 cutting 3 times each cutting 1.0mmSpeed 200 cut 2 times each cut 1.5mmSpeed 100 cut once cut 3mm each timePacking List:1 * 5.5W Laser Engraving Module1 * Laser Module Sliding Fixture1 * 4 Pin Cable(1000mm)1 * NEJE PWM/Temperature Tester Board1 * 110V-240V 12V2A UL Certified Power Supply1 * Euro Adapter1 * 2.5mm L-shaped Wrench1 * 5mm L-shaped Wrench1 * GogglesNote(Please pay attention):1. Please wear laser goggles during usage and avoid touching the laser directly with your eyes and skin!2. Do not engrave mirror objects pay attention to fire pay attention to pets when working!3. Smoke will be generated when burned please pay attention to smoke exhaust indoors.4. This laser module is compatible with our NEJE machine.