1.2L led traffic light PCB; 2.good quality,reasonable price; 3.quicker delivery; 4. ... both side Solder Mask Thickness0.7mil,raised H≤0.05Colour green,blue,red,yellow,black,white(LPI/MATT.,UL 94 V0 approved ... %(tolerance) Certificate SGS,ISO,ROHS,UL, Welcome to visit WALBOND ! led traffic light pcb