The Menics MS86S-LAMP-10 is a 110/220V AC, 6W U-Type replacement Xenon strobe lamp for the 110 & 220V MS86S and MS115S series beacon lights. Lamp life: 1,000,000 frequency (2000 hours). When replacing, the new lamp should be inserted so the signal mark (AGK) matches the beacon light. Make sure the lamp is inserted firmly. If inserted in reverse, the lamp will not work. Sold individually.