Review on Adjustable Focus 405Nm Blue Violet Mini Dot Diode Module Head With 100MW Power For DC 3-5V Micro Tubes by John Clarey
Not as advertised - my new review
Marginally brighter than a 5mW UV laser diode.Can't imagine it would engrave anything as it doesn't even feel warm when pointed at my hand.
- High Reliability Material: This dot diode module is made of durable copper shell for long life.
- The product is only suitable for DC 3-5V micro tubes, which limits its usefulness in a variety of applications. It may not be compatible with other devices or systems
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