... non conventional energy consumption.The power is microcomputer automatic control (light or time control).They are suitable in road,villas, school ,industrial ... -free lead-acid battery, 10-40Ah3.light souce:LED, enegy-saving lamp4.the colour of light source:red, yellow, green, blue , ... white5.Temperature:-35 to 756.the height of light:3.5M, 4M7.operating time:8-10hours/day8.continues of ...