Features Adjustable Output Voltage: Tailor the output voltage from 45-390V to meet your specific electronic equipment needs for optimal performance Versatile Applications: Perfect for capacitor charging and powering electromagnetic guns, making it an essential tool for various projects Reliable Safety Features: Built-in overcurrent and overvoltage protection ensure safe operation, prolonging the lifespan of your devices Durable Construction: Engineered with high-quality electronic components for enhanced durability and consistent performance in demanding environments High Conversion Efficiency: Achieve up to 88% efficiency, minimizing energy loss and maximizing power delivery for your applications Features: 1、Adopt control chip, internally integrate BCD encoder, scanning circuit and drive circuit 2、Internal integrated static RAM, each data can be addred during update without changing all displays 3、Integrated analog and digital brightn control, consistent brightn display at each point 4、Integrated scanning circuit inside the chip, does not occupy system resources 5、The chip only occupies 3 IO ports, which can be cascaded Specification: Item Type: Dot Matrix Module Fixing Hole: Approx. m / 0.1in Voltage: 5V Hole Spacing: 1000 x 1000mil (approx. 25.4 x 25.4mm / 1 x 1in) LED: 8 x 8 common-cathode dot matrix, removable Port: SPI can be connected Package List: 2 x Module Package List 2 x Module