This is 12mm 5mW Red Point Laser Module MXD1230 Point Spot Size Adjustable Laser. Easy to install, Durable and portable. laser emission head For Ciclop Scanner 3D printer Components Points Spot Size Adjustable.
It is suitable for 3V-5V 5mW standard, with 6mm outside diameter. It can be used to connect diode tubes for multiple uses.
This Laser diode module is very efficient and useful for your electronic projects. For example, with this product, you can make a laser radiation sensor and with the use of an Arduino development board, you can create your own laser harp. Simply connect power to the red and black wires and you will be lasing in no time.