... Light source: SMD3528 or SMD3014 or SMD0603 LEDs Green OEM Service and customized design is no problem and very easy job for us ... Voltage: 3V, 6V, 9V, 12V, 24V are all available.8, OEM Service is no problem, Imprinting is OK9, Packing: LED Backlit panel ... only dark placesMany placesSome other panels that we can do. OEM Service Green LED Backlit