Price is for 20 pcsDiameter 1.8mm Clear LEDswith Blue lightand free resistors for 12V use Characteristic U = 3VI = 15 - 20mABidding Price is for 20 unitsCathode 16mm Anode 17mm Long.Brand newPRODUCT DESCRIPTION Use these LEDs to make lampposts or singals etc...if you will use them one 12V, please connect them with a 620 ohm resistor in series....