Rock series 150W sodium ballast is designed for horticulture and agriculture.By using patented technology and new designed circuit, the ballast can work reliably and safety at any time.
The 12.9 grade hexagon screw is mainly used for heavy-duty stamping applications and earth-moving machinery such as bulldozers and excavators. Their tensile strength is 170,000 psi (1200Mpa), which is 10% stronger than our other metric steel screws.
This is a new chip again from worldsemi family ,based on WS2812B and WS2813.To solve the chip breakdown and Strip's Voltagedrop ,now we welcome WS2815.The Flex is 30/60/144 Pixel/ LED per meter ,and 5 m in a roll we provide black and white color board.