Gold Stars 92111802 Natural White LED Replacement Light Bulb (921/T15 Wedge base 120 Lumens 12v or 24v) 60,000 hour life expectancy 8-30 volts DC including 12v or 24v; the wide-range voltage is designed to withstand RV power fluctuations LED Replacement light bulb for bulbs with 921/T15 Wedge base Low heat, safe to touch, and instantly bright; turn to adjust directional beam of light Energy efficient and eco-friendly