- These are 12V 660 Lumen 30 4014 SMD LED Dual Filament Red Bulbs. 
- They will work with vehicles fitted with 12v or dual 6v batteries. 
- The bulbs are just 42mm long and brighter than the standard filament bulbs.They fill the lens with a lovely bright deep red colour and have great contrast between tail and stop light. 
- The 4014 SMD is a new, small but extremely bright LED. 
- LED bulbs come on immediately so provide an earlier warning that you are stopping. 
- These bulbs typically last up to 50,000 hours and are vibration resistant so no worries about having to replace them again anytime soon. 
- Suitable for many cars or motorcycles or applications that have the standard BAY15D P21/5W fitting.