Green LongLife 1010504 LED Replacement Light Bulb 1139/1156 base 95 Lumens 12v or 24v Natural White 100,000 hours life expectancy; ideal for short-neck reading lights with same base 8-30 volts DC including 12v and 24v; the wide-range voltage is designed to withstand RV power fluctuations LED Replacement light bulb for bulbs with BA15S T25 base, popularly known as 1139, 1156 or 1141 base Low heat, safe to touch, and instantly bright Energy efficient and eco-friendly