3pin horn relay, metal body,universal type,used with car horn or can lamp.
JL2A/JL2B

Horn

   Electric horns include: Trumpet type and disc type, according to structure;12V and 24V, double and single wire type, according to automobile electric system.
   Trumpet type electric horn is composed of loudspeaker tube, diaphragm, winding, chassis and platinum contact, etc. It is a electromagnetic vibration phonic system.
   Disc type electric horn is composed of diaphragm, winding, chassis and platinum contact, etc. It is a electromagnetic vibration phonic system.