Hong Kong Traffic Light Controller

Specifications: -power supply 12v -min time 5 sec each color (lamp) -max time 9 min & 50 sec each color (lamp) -timing values; 4 groups of completely independent timing values. -size 119 x 74 x 36 cm (without cable) -automatic change lamp sequence, battery and transistor. -protection device reverse polarity switch and electronic fuse. -program memory more than 10 min (battery connection not shorter than 5 min) -settings can be adjusted at production stage. -manufactured to european standard.