* Battery power components: 55 WP

* Accumulator: 12 V 65 AH

* The power of lamp-house: 12 V 15 W

* Switch control: optical control set, the immigration and customs control

* Work time: the daily work seven hours

* Overcast & Rainy days: could consecutive five cloudy days

* Lamps height: 8 m

* Lights materials: high-quality rolled steel (hot-dip galvanizing & plastic)