hight quality and good price.HOT SELL WITH PRINTING AND WITHOUT PRINTING Technical indicators:Light Shades AvailableDIN 4#Dark Shades VariableDIN 9----13#Response Timenot less than 0.5ms(Under the room temperature)Delay ControlQuick-grade----0.5s Slow-grade----1.5s Power SupplySolar cells/7# ALKALINE Battery (The minimal working time is 500h) Working Temperature-523~ +55131 Viewing Area90X40mm ...
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