2 sets of Gold Stars 92111801-02 LED Replacement Light Bulb 921/T15 Wedge base 52 Lumens 12v or 24v Natural White 2 sets of LED Replacement light bulb for bulbs with 921 bases 11-18 volts DC including 12v; 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