LMSA501 5 Cell C or D Replacement BulbMag-num Star Xenon Lamp (optional) Quality and dependability are the hallmarks of our flashlights, We insist upon the same quality and dependability for every lamp and accessory that works with them, Mag-num Star Xenon Lamp (optional) (LPHC) Heavy duty construction for rugged applications, SKU: DOBA8735