HQRP 45 Lumens 0.5w LED Bulb for LMSA201 LMSA301 LMSA401 LMSA501 LMSA601 Mag-num Star Xenon Lamp replacement 2 3 4 5 6-C Cell/D-Cell Mag-Lite Flashlights plus HQRP UV Meter HQRP&reg; Replacement LED Bulb plus HQRP&reg; UV Meter; Working Voltage: 1-9V DC; Lumen: 45LM; Power: 0.5W; Base: P13.5; 200 days warranty!