Ultrabright white5mm 3v led,dazzlingly bright with an angle of 20 degrees,leds provide a very energy efficient means of providing lighting,in fact each led consumes just 20 - 30 milliamps,compare that with a 12v 8watt cabin light which demands 800milliamps,these leds are supplied with resistors so they can be used with 12volt batteries although they will work with battery packs of 3-4 volts without a resistor just fine ,great for providing cheap remote lighting in sheds on allotments,garages,models etc,massive quantity discounts apply with this product,price includes vat and uk delivery.