Five Concentric Circles DOE Laser Module With Round Spot
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                                            ... 2.8-5.2V <500mA Φ16x70mm 450nm 100mw DC 2.8-5.2V <500mA Φ16x70mm Light Spot Details: Special specification: At 25cm: The diameter of the circle from inside to outside is: 3cm/6cm/9cm/12cm/15cm At 50cm: The diameter of the circle from...                                         
                                            XINLAND LASER CO.,LTD
                                         
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515nm/520nm 50mw Adjustable Focus Green Dot Laser Module For Electrical Tools And Leveling Instrument
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                                            Features: 1 .Without preheating ,save power ,can work for a long time ,can work normally under temperature between 0 to 60 degree; 2 .tside appearance is distinctive , considering the rectangle product is more suitable for fixing on any plane, so cross ......                                         
                                            SHENZHEN G-SUN OPTOELECTRONICS CO.,LTD
                                         
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