2.solar modules:high efficiency mono/poly crystalline silicom solar modules.
3.suitable light source:11-25w low-voltage DCtricolor energy-saving light or LED light.
4.working time:8-10time.
5.consecutive cloudy days:3-6days
6.controller:uses micro-computer chip,digtital circuits,integrated sensor technology,with main and secondary lights alternating work, or both work till the set time ,then the main light off but the secondary on.
7.battery:the wholly sealed,valve-control style ,free-maintenance lesa-acid battery or ordinary lead-acide battery
8.avalilable location :all regions with annual sunshien time more than 2200 hours.
NOTE:due to differences in solar energy resources,solar lighting system should be configured according to your specific needs, installation location an solar radiation.