* Light source height: 2.6-4.8m.

* Solar modules: high efficiency work mono/poly crystalline silicon solar modules.

* Suitable light source: 11-25w low-voltage DC tricolor energy-saving light or LED light.

* Working time: 8-10 hours/day.

* Consecutive cloudy t-6dsays.

* Controller: uses micro-computer chip, digital circuits, integrated sensor technology, with main and secondary lights alternating work till the set time, then the main light off but the secondary on.