Question: what is class 3a laser?
Answer: For visible-light lasers, Class 3A lasers' output power is between 1 and 4.99 milliwatts. Class 3A Laser Pointer is essentially the same as the Roman numeral "Class IIIA" you may see on some lasers' labels. A Class 3A laser is low powered. It normally would not harm eyes during a momentary exposure of less than ?