Automatic device for semitrailers of lorry, has power circuit operated by power source battery that is automatically recharged when using torch lights, where device is available in period in which daylight of vehicle is automatically active

摘要

The device has an independent power circuit operated by a small separate power source battery that is automatically recharged when using torch lights, where the device is available in a period in which daylight of a vehicle is automatically active. The active time of the light is delivered by the LED depending on capacity of an accumulator.