The standard LED type is Common pin in anode, if you want use common pin in cathode pls contact us first. Part number:PM8T-D/Y/42RGB/12-24V/Stainless steel with 4cm cable Install diameter:8mm Shape: Flat head Function: LED indicator Crust material: Stainless steel/Black surface/Nickel plated brass for you choose Terminal: 4 cable with 4cm length Led Color:Red,green, blue IP rating: IP67 waterproof can install outdoor or under the water. Voltage: from 6V to 48V Temperature: - 40 to 75 Degree