HQRP BAY15d 24LED SMD5050 Cool White Light Bulb for Aqua Signal Series 41 3540002000 Masthead Light 10-30V DC Replacement plus Coaster HQRP&reg; BAY15d LED Bulb plus HQRP&reg; Coaster; Bulb Type: BAY15d Base; Lumen: 310-360; LEDs: 24; Lumen Color Temperature: Cool White 6300k-7000k; Working Voltage:10-30V DC; Energy saving; Long service life; 200 days warranty!