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"The tri-colour and white navigation light features an improved bulb holder, simplified wiring installation and compact two-pieces design. 1. Made of a special compound of ABS and Polycarbonate 2. Non magnetic stainless steel electric contacts 3. One compact product (only 2 pcs.) 4. Higher light distribution 5. Easier and more effective electric connection 6. Improved (stable) lamp holders 7. Protection against electrolysis"