Features 1、Mainly applicable for cutting, drawing etc. 2、The power can be adjusted by PWM. 3、Built-in drive protection circuit including surge protection, overvoltage protection for safety use. 4、Stable performance, high working efficiency, long service life. 5、It is heavier, not suitable for engraving, suitable for cutting. Specification Item Type: Laser Module Interface Specification: 4pin PH2.0 (red: 12V, black: GND, yellow: PWM, green: temperature signal) Wavelength: 450nm Radiator Size: 30x80mm Material: Copper + Aluminum Weight: 202g Drive Position: Built-In Power: PWM adjustable Drive Protection: Surge Protection, Overvoltage Protection Input Power: Approx. 12V2A ≈ 20W (without fan power) Output Optical Power: 5.5W Line Length: 300mm Control Line Installation Method: pluggable Fan Size: 30x10mm Fan Speed: 15000rpm Controllable Temperature:<60℃ Focus Range: 5-50mm Best Focal Length: 10mm from the light exit Recommended Application Machine: NEJE Master Package List 1 x Laser Module 2 x Screw 2 x Washer 1 x Cable 1 x Hex Wrench