![Difference between Class 3 Laser and Class 4 Laser for pain and inflammation - Lasers by Theralase Inc. Difference between Class 3 Laser and Class 4 Laser for pain and inflammation - Lasers by Theralase Inc.](https://theralase.com/wp-content/uploads/2020/09/class-3b-vs-class-4.png)
Difference between Class 3 Laser and Class 4 Laser for pain and inflammation - Lasers by Theralase Inc.
![Amazon.com: Danger Sign - Laser Radiation Avoid Direct Exposure to Beam Class 3b Laser 7"X10" Plastic Safety Sign ANSI OSHA : Industrial & Scientific Amazon.com: Danger Sign - Laser Radiation Avoid Direct Exposure to Beam Class 3b Laser 7"X10" Plastic Safety Sign ANSI OSHA : Industrial & Scientific](https://m.media-amazon.com/images/I/41Kd19dSEdL.jpg)
Amazon.com: Danger Sign - Laser Radiation Avoid Direct Exposure to Beam Class 3b Laser 7"X10" Plastic Safety Sign ANSI OSHA : Industrial & Scientific
BIOFLEX Laser Therapy - Why use Class III (Low Level) Laser vs. Class IV? 🧐BioFlex Laser uses Class III Laser because it allows direct contact with skin and minimizes loss of light
![LASER RADIATION AVOID DIRECT EXPOSURE TO BEAM CLASS 3B LASER (W/GRAPHIC): Amazon.com: Industrial & Scientific LASER RADIATION AVOID DIRECT EXPOSURE TO BEAM CLASS 3B LASER (W/GRAPHIC): Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/61UsyRxuJxL._AC_UF1000,1000_QL80_.jpg)
LASER RADIATION AVOID DIRECT EXPOSURE TO BEAM CLASS 3B LASER (W/GRAPHIC): Amazon.com: Industrial & Scientific
![Ok, so I just got this laser pointer from Amazon, Max output on the label being <1000mW with a wavelength of 532nm±10, and is a class III laser product. What the heck Ok, so I just got this laser pointer from Amazon, Max output on the label being <1000mW with a wavelength of 532nm±10, and is a class III laser product. What the heck](https://i.redd.it/829fulz0zyz41.jpg)