400mW 638nm DC12 Red Laser Module with TTL Drvier Board DIY RGB Stage Laser Lighting

Specifications:

1,Wavelength : 635-638nm;
2,Output power :400mW;
3,voltage DC12V;
4,Working current <800mA;
5,With TTL regulator:0~5V(0V:OFF,5V:ON); 0~100kHZ;
6,Size:33*33*50mm+cooling fan;