BA15S LED 3 Watt Tower Lamp Bulb 10-30V DC Only Boat RV Car DIY (Warm White) 10-30V DC BA15S Base Lamp Warm White, 2900-3000K, 230 Lumen Low Power Usage - Only 3 Watts Long Life Expectancy - Up to 40,000 Hours On Board Driver Delivers Constant Current for Optimal Performance in Variable Voltage Environments