Infrared IR Laser Diode 905nm 30mw Focusable Dot Module 3V-5V With TTL 0-15KHZ 18x45mm

Wavelength 905nm
Ouptut Power 30mW
Current <100mA
Power supply 3V-5.0VDC
TTL modulation Voltage 0-5V
TTL frequency 0-15KHz
Dimension: 18mmx45mm

The Lens focus is adjustable, not fixed, can adjust to an appropriate spot size, and then fix it.

Off low, high open, normal status close

Three-wire input, the red line is positive, black line is negative, TTL signal yellow line is positive

If you only connect its black and red wire, the laser module would not be lighted and would not work

Package:
1pc 905nm 30mw IR Laser module