10 PCS Mini 650nm 6mm 5mW Red Laser Dot Diode Module Copper Head 5V
Wave length: 650nm. Output power: 5mW. Shape of the laser light: Dot. The laser diodes can be used to connect diode tubes for multiple use.Ideal for DIY creativity. The laser head consists of a luminescent tube core, a condenser lens and a copper adjustable sleeve.