This is a kind of high power laser diode.
It is worth buying one for its perfect performance.
Specifications:
Wavelength: 455nm
Current :0.2A
Output Power: 1.6W
Operating Voltage: 4.8V
Operating Current: 1.5A
Beam Divergence: 23deg
Polarization Ratio: 100:1 TE:TM
Thermal resistance: 15K/W