Aluminum MPCB LED modules featured with ultra-bright SMD5730/SMD5050 LED chips, DC 12 volts safe low voltage input, G4 lamp base and up to 100-110lm/W real lumen efficacy.Super thin size, easy installation in small space such as narrow slot or inner parts of equipments, good to decoration lighting, sign lighting, signal lighting, furniture lighting, display lighting, equipment lighting, vehicle lighting, and ship/aircraft lighting, etc.