Green LongLife 1010503 LED Replacement Light Bulb for long-neck Reading Light with 1383/1156 base 150 Lumens 12v or 24v Natural White 100,000 hours life expectancy 8-30 volts DC including 12v and 24v; the wide-range voltage is made to withstand RV power fluctuations LED replacement bulb designed for long-neck reading light with BA15S T25 base, popularly known as 1383, 1156 or 1141 base Low heat, safe to touch, and instantly bright Energy efficient and eco-friendly