Price is for 10 pcsDiameter 2mm auto flash RED LEDstwinkle every one secondwill come with free resistors for 12V use Characteristic U = 1.9 - 2.2VI = 15 - 20mAPrice is for 10 unitsCathode 16mm Anode 17mm Long.Brand newPRODUCT DESCRIPTION Use these LEDs to make lampposts or singals etc......