Focusable 980nm 30mW Infrared IR Adjusted Dot Laser Diode Module 3V-5V with TTL 0-15KHz

Parameters:

Diameter: 12mm
Wavelength: 980nm
Output Power: 30mW
Working Current: 100mA
Working Voltage: 3V-5VDC
Best Duty Cycle: 1 minutes on, 1 minute off
TTL frequency: 0-15KHz
TTL modulation Voltage: 0-5V Off low, high open, normal status open

Three-wire input, the red line is positive, black line is negative, TTL signal yellow line is positive, If you only connect its black wire and red wire, the laser would not work, you also need to connect its yellow wire (TTL+ ) to 5v+.

980nm IR Infrared Laser can not be seen by the naked eye. Please use a Night Observation Device, for example, a phone with Infrared function. Thanks!