PRODUCT TECHNICAL DATA SHEET： MATERIAL metal structure (both inside and outside the hot-dip galvanizing spray) LIGHT SOURCE Main lights: LED lights / electrodeless lamp / special energy-saving lamps / low pressure sodium lamp； Auxiliary lights: LED lights (or upon request) SOLAR PANEL single crystal / polycrystalline solar cells (50Wp ~ 200Wp) BATTERY maintenance-free lead-acid batteries (12V55Ah ~ 200Ah) / gel batteries CONTROLLER Intelligent Digital Controller (single or dual output) HEIGHT 5m, 6m, 7m, 8m, 9m, 10m, 12m (or according to customer’s request) WORKING HOURS Main lights: 6-8 hours Auxiliary lamps: lighting the whole night (or according to customer’s requirements) TEMPERATURE RANGE -20 ℃ -60 ℃