Gold Stars 11390060 LED Short-neck Reading Light 1139/1156 Base 120 Lums 12v & 24v Natural White (1) (6) LED Replacement light bulb for bulbs with 1139/1156 base 8-30 volts DC including 12v and 24v; the wide-range voltage is designed to withstand RV power fluctuations 60,000 hours life expectancy Low heat, safe to touch, and instantly bright Energy efficient and eco-friendly