Specifications: Height: 4m-12m Solar panel: 40Wp- 350Wp (poly-crystalline silicon) Battery: 12V-24V-36V/40AH-400AH (lead acid) Bulb: 10W-90W LED Controller: intelligent controller Charging time: 8-30 hours Working time: 8hrs/day, 3-7 rainy days (energy saving setup available) Working temperature: -30? ~ 70? Protection grade: IP 65 Application: Roadways, express ways, playgrounds, parking lots, service stations, and so on