3w LED TBF-4691 Red Green Color Emergency Vehicle Surface Mounted Light Traffic signal light

TIR type
*3w,4 pcs led,12W
*Product Size/N.W.: 12*4*4cm/0.25kgs
*With 4 color cords,21 flash patterns
*Memory fuction
*Synchronous + alternately flashing fuction
*Water-proof
*10V-30V DC