Features:
Strong Scalability & Compatibility - Standardized structure and drive interface can be adapted to various 3D printers, such as Ender-3 /Ender-3 /Ender-3 Plus, engraving machine, engraving machine and other machines according to requirements.
Safety conservation - A special safety is adopted to meet the FDA Class 4 safety requirements to damage to eyes and skin.
Convenient to install - Take out head kit and a cylindrical head thumb screw from the packing box. Install head kit on the fixing plate. Tighten it with cylindrical head thumb screw (clockwise) 
Pollution minimization - Built-in filter cotton can effectively absorb and odor generated by engraving. Reduce indoor pollution and care for human .
Thin and Long Service - semiconductor diode, stable , fine , long service , sustainable use of 10000+ hours. Support carving or cutting material such as cardboard, wood, bamboo, rubber, leather, fabric, acrylic, , etc. 

Specification:
Model: - module
For: Ender-3 /Ender-3 /Ender-3 Plus
Control signal: PWM
source: Semiconductor
wavelength: 450±5nm
Optical : 1.6W
Safety grade: FDA Class 4
requirements: 24V
Support material types: cardboard, wood, bamboo, rubber, leather, fabric, acrylic, , etc. 
Working humidity : 10%~90%
Operating : 0℃-+40℃
Product size: 53x72x102mm
Product N.W: 210g
Package Size: 185x180x85mm/7.1 x 7 x 3.3in
Package Weight: 540g/19oz

Packing List:
2 x Wooden board
2 x Kraft paper
7 x Colored cardboard
7 x Colored felt paper
1 x cord
2 x Black nylon cable tie
1 x M2 hexagon
1 x Cylindrical head screw
4 x Hexagon socket counter sunk head screws
2 x Soft
2 x Activated carbon smoking cotton
1 x Dust-free cloth
1 x Protective glasses