Gold Stars 92100025 Replacement LED Bulb 921 Base Tower 280 Lums 12v or 24v Natural White (1) 60,000 hours life expectancy 8-30 volts DC including 12v and 24v; the wide-range voltage is designed to withstand RV power fluctuations LED Replacement light bulb for 921 bases Low heat, safe to touch, and instantly bright Energy efficient and eco-friendly