Strongest Handheld Green Laser Pointer 4000mW (4W) 520nm

This output is really the most powerful in the world for the 520 nm wavelength.
The battery life is also excellent (32650 battery).

I purchased this product and a power meter. According to my repeated tests, its output power is 3800-3900mW (less than 4000mW).

I bought it because of the high power of 4000mW. However, after testing it with professional instruments, I found that the maximum power is only about 3800mW.

I couldn't wait to test this laser pointer as soon as I received it, and the output power was as high as 4W!

I bought it mainly for scientific experiments, and I am very satisfied with its performance. The output power is stable at around 4000mW, which is essential for experiments.

This product uses a dual diode design, and according to my test, the actual power is up to 3800mW. However, it is relatively heavy, so it will be tiring to hold for a long time.

This green laser is really powerful! When tested outdoors, the laser beam can reach far away, and the visual effect is amazing.