What is a the led module?

RED 3 LED Module 12V 2835 LED 1.5W – Emerging Technologies

LED Advertising Parts LED Module Penang, Malaysia, Perai Supplier, Distributor, Dealer, Wholesaler

REXTiN Super Bright 200pcs 3 LED Module White 5050 SMD 66-72LM Each Module Waterproof Decorative Light for Letter Sign Advertising Signs with Tape Adhesive Backside

Single Color LED Modules - Linear Module with 3 SMD LEDs - 185 Lumens/Module - 20-Pack / 100-Pack

LED Module Leading supplier for LED Strips, Modules & Drivers in UAE

Pl T Lightingwaterproof Led Module 12v Smd 5630 3-color Pixel Light For Bathroom & Outdoor

20pcs/pack LED Modules with Lens for Light Box DC12V 110LM 1.5W Waterp – LEDLightsWorld

High Power 1.5W Edge Lite LED Module for Double Lighting Box - China LED Module, Edge LED Module

Pl T Lightingwaterproof Led Module 12v Smd 5630 3-color Pixel Light For Bathroom & Outdoor

P4 indoor LED module display 256mmx128mm - SZLEDWORLD