User blogs

If users are trying to make precise and clear enough dot generation, no matter it is pointing at close or long distance, it is always making good job with an intense beam emitting tool, such as a 450nm blue laser diode module. Not spending extra time on alkaline battery power source, after the use of an external AC/DC adapter and advanced use of thermal emitting system, this ultra compact size tube made 450nm blue laser just assures easy installation, quick response and good direction blue reference dot projection at various work dis... more