12V 850nm 1000mW IR Dot 1W Laser Diode Module 18x45mm with Driver TTL
Laser head size: 18x45mm. Output power: 1000mW. Note: 850nm high power module is IR lasers which can only be seen a weak red light.It's normal. Wavelength: 850nm. 1x 850nm 800mW-1W Infrared IR Dot Laser Diode Module.