Taillight, brake & turn signal in one; chrome metal housing; HighPower LEDs; super small; clear lens; EXtranz® - Extreme Optical Transparency Technology; HighPower LED Technology; Suitable for 12 volt DC applications; with M5 x 6.5mm threads; ECE approved for rear use; Dimensions: overall length 14mm, metal housing diameter of 10mm (1cm), lens diameter 7.8mm