Pack of 10!! Wide Application: ba9s Miniature Bayonet LED Bulb works great on Lionel and Marx vintage electric train locomotives, bingo machine, espresso point matinee machine, replace bingo flashboards, Bingo King or Arrow International Flashboard, upgrading indicator lights, control panel lights and annunciators, such as HAM-IV Rotor Controller Meter Light, power plant displays, industrial equipment, and elevator controls, Aircraft train instrument illumination and warning lights, home lighted address plaques, landscape lighting,Provides especially nice illumination for Lionel and standard gauge passenger cars Also applied to Upgrading machine indicator lights, control panel lights and annunciators, car license plate light, Courtesy Step Light, led dome light, map light, clearance light, parking bulb, side marker light, led dashboard light, instrument cluster led bubs interior exterior lights Polarity: bi-polar, single-contact miniature bayonet base BA9S 1820 Led bulbs. compatible with 10 to 30 Volt,Plug and play bulbs for fixtures powered by AC/DC 12V -14V, and DC 16V 24V 28Vpower supply,wide range of use miniature wedge sockets, very nice replacements for an incandescent bulb Compare to the incandescent lamps, this 1815 light Bulb relatively no heat,long lasting, awesome brightness and soft lighting,waterproof design long life worked perfectly for replacement bulbs, efficient and reliable lighting performance is critical Will replace numerous bulb numbers including: 12~16V: 53, 57, 1813, 1815, 1816, 1816LL, 1889, 1891, 1891LL, 1892, 1893, 1893LL, 1895, 1895A, 1895LL, 1896, 1898, 1488, 216, 256, 257, 293, 363, 3886X, 3893, 3893LL, 47830, 47835, 586, 6253, 64111, 64113, 64115, 756
24/28V: 313, 1818, 1819, 1820, 1820BTS, 1843, 1864, 1873, 757, 1437 Warranty: ONE YEAR (Replacement or Refund). Package Included: 10Pack of 1820 light bulbs 1816 1815 Miniature Bayonet Bulb LED Replacement warm white Replace original filament-style bulbs in bingo display(bingo board),upgrading indicator lights,control panel lights and annunciators, such as power plant displays, industrial equipment, and elevator controls, Aircraft train instrument illumination and warning lights,home lighted address plaques,landscape lighting and many more