Osram PL530 Laser Module w/ Shutter, Push Button, WiFi & Bluetooth – PL530E32
Model: PL530E32. Operation Notes for PL530E32 Laser Module. Press the pushbutton (S3) to toggle the shutterOpen / Close. Slide the ON/OFF switch (S1) to the ON position to power on the module. - Residue Infrared Laser Output: < 2mW.