1 12v TTL 1W 1,6W 3W 445/405/520nm Laser LD Power Supply Control Board : IPS: there is the latest version of the product, older products have plug-in capacity, all do SMD capacitors Adds 5521DC to solve the problem that the stage controller cannot be directly connected to the power supply It is not used do laser power, but can also be used with sources of natural origin Used for both DC, DC power source, current from positive and negative input Ten laser power supply circuit indicators are better than the previous version, so that the use of non-professional user can be greater Specification: Material: FR-4 copper from Russian Product Size: 29x49mm/1.14x1.93 inch Circuit control: 12V power lowering circuit, constant supply current (adjustable current and power supply) Output voltage: 8-14 V (12 V DC recommended) Operating Specifications: max. 3A Range: 200mW-3W 405/445/450/520nm red/ /blue etc. laser power supply Dimensions: 29 x 49 mm ( . x L ), including plate height 15,5 mm Fixed: M3 (Install distance from center: 16 mm) TTL : 0-50 Pin spacing: 2,54 mm