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See more product details Focusable 505nm Green Dot Laser Diode ModuleParameters: Size:12x35mm Output Power: 30(m./W) Diode power: 35(m./W) GH05030D2L Wavelength : 505nm Working Voltage: 3-5V Focusable :Yes Laser Shape : Dot Red wire positive, black wire negativeplease note the using time. To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzed reviews to verify trustworthiness.




