HQRP BAY15d 24LED SMD5050 Bulb for AquaSignal Series 40 Masthead 40400/40420 10-30V DC Cool White plus HQRP 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!