DescriptionAre you looking for a professional, yet affordable dot diode module? Are you in search of a sturdy, trustworthy dot diode module that can do multiple jobs at once? If yes, look no further! Our professional dot diode module must meet your need. It is the best choice for you.Features- Color: Assorted Color. - Material: Metal. - Size: About 1.10X1.10X3.50cm/0.43X0.43X1.38inch. - Output power: 5mw. - Wavelength: 650 nm. - Working voltage: 3~5V. - These 650nm diodes are an industrial electronic component. - It can be used for as industrial testament, Lab, DIY. - It is a precise and sensitive optical instrument. - This module is ideally suited to adding a light to your project. - Made from premium material, which is durable using.