TTL 850nm 1000mW IR Dot Focusable 1W Laser Diode Module 12V Driver Fan Holder
Note: 850nm high power module is IR lasers which can only be seen a weak red light.It's normal. Wavelength: 850nm. 1x 850nm 1W Infrared IR Dot Laser Diode Module. Can use it withe TTL Modulation (Adujstable).