Professional manufacturing factory, first-class quality of service 1. It uses solar panel, which has high efficiency that can be used for over 25 years. 2. It is available to work for 2-7 days in rainy days. 3. Its intelligent and waterproof microcomputer has the ability of preventing over-charging, light controlling and time controlling. 4. The battery box uses compression molding which can be hermetic waterproof and heat-preserved. Technical Data ModelHDTYN-001 Height5~10m Voltage inputDC12V/24V Lifetime>50000h Luminous flux 3000lm~6000lm Solar panel Mono-crystalline or Poly-crystalline silicon Working temperature -40ºC~+60ºC Max wind velocity 41.4m/s