Features 1、Mainly used in metal engraving, deep engraving, simple cutting, etc. 2、It supports metal engraving including alumina oxide, and other non-reflective materials, depth of engraving (0.5-3mm wood), thickness of cutting(2mm). 3、Supported engraving materials: Wood, gray paper, leather, bamboo, blackening plastics, rubber, alumina oxide, copper, etc. 4、Cannot directly engrave the metal of strong mirror reflectivity, which may cause injury to the operator or burn the laser. 5、The power can be adjusted by PWM. Specification Item Type: Laser Module Wavelength: 450nm Radiator Size: 30x60mm Material: Copper + Aluminum Weight: 116g Interface Specification: 4pin PH2.0 (red: 12V, black: GND, yellow: PWM, green: temperature signal) Drive Position: Built-In Power: PWM adjustable Drive Protection: Surge Protection, Overvoltage Protection Input Power: Approx. 12V 750mA (does not include fan power) Line Length: 300mm Control Line Installation Method: Pluggable Fan Size: 30x10mm Fan Speed: 10000rpm 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 Control Cable 1 x Hex Wrench