Smart Electric 117 Emergency Flasher 25-watt Smart Alert Bulb with Standard Base Socket, Amber Smart Bulb has an emergency flashing feature that's visible in daylight Flip your light switch twice to activate the emergency signal and alert emergency vehicles or delivery men Features an amber finish and is compatible with standard base sockets Soft Start technology eliminates electrical shock to the filament to last 2-times longer 2-year unconditional guarantee