This double contact P21/5W bulb of 12V is available in red or amber. It has a BAY15d bulb cap type that provides red or amber coloured light. The light bulb is intended for any vehicle that requires this type of bulb in tell-tale lights, whether it is a car, tractor or motorbike. It is suitable for vehicles fitted with double contact light bulbs and use a red or amber light pattern. The bulb is made of red or amber coloured glass, ECE-approved. This bulb is easy to install with no need to change wire or modify the installation. It can be installed in the same way as the original bulb, as it matches the model, voltage and parameters of the original bulb (refer to the vehicle manual). It should be noted that this product has been tested and set at the factory before putting it on sale. It is supplied in packs of 10 pieces or in single units.