solar traficc signal

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solar cell: 9V,500mA Monocrystalline battery: leas-acid battery 6V 8Ah dimension: 600x260x800mm weight: 12kgs supper bright LED flashing frequency: 90 times per minute (adjustable) material: aluminium alloy & PC continue cloudy working day: 15-20 days working temperature:-400C-750C working life: >15 years(battery should be changed every two years)

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