A 1.5W 3LED module refers to a module that encapsulates three LED light emitting diodes, with each LED having a power of 1.5W and a total power of 4.5W. These LEDs are usually connected together in series or parallel and powered by a unified power supply.

1.5W 3LED modules are commonly used in various lighting and decorative occasions, such as advertising and display in public places such as shopping malls, hotels, banks, as well as indoor and outdoor lighting and decorative lighting. These modules have advantages such as longer service life, high brightness, energy conservation, and environmental protection.

If you could provide more information about the 1.5W 3LED module you need, such as brand, model, application, etc., so that I can better assist you.