The countdown traffic lights by the three colors (red, green, yellow) is composed of LED lights placed in the north-south direction of things and junctions. The design of traffic lights on the battery charge and discharge protection circuit, when the battery discharge is less than 10.6V, close all the lights. When the battery charge is greater than 14.48V, turn off the charge, which effectively protects the battery and increases the life of the product. The system default for the main road east-west direction (release 30s), secondary roads north-south direction (release 20s).

HONGLVDENG.M51

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