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Multicolor Light Up LED Push Button Switch Kit--- Includes 28 red/green/blue/white backlit buttons (12*12*7.3mm), perfect for Arduino, DIY, and industrial control panels. Independent Control​--- The momentary button and LED inside the switch are ​electrically isolated, enabling separate operation. Interactive Light Control​--- Press for ​responsive on/off illumination, or MCU-programmable for ​high-impact visual states​ (flashing/breathing) delivering ​immersive feedback​ through vibrant LED indicators. Adjustable Brightness via Resistor--- Customize LED intensity using the formula: If = (Vcc - Vf) / R. Easily tweak for optimal visibility in any project. Wide Voltage Range & Long Lifespan--- Works at 2.5–48V (3A-switch; 50mA-LED max). Rated for 50,000+ presses. UPC 614141644889 ASIN B0F2PGBWG2 Color Blue Model PushButton28 Terminal Through Hole Brand Name SZBUHNA Unit Count 28.0 Count Part Number BXLB4 Switch Type Push Button Circuit Type 1-way Contact Type Normally Open Manufacturer SZBUHNA Material Type Acrylonitrile Butadiene Styrene Mounting Type PCB Mount Connector Type Plug In Current Rating 3 Amps Operation Mode OFF-ON-OFF Controller Type Push Button Item Dimensions 0.47 x 0.47 x 0.29 inches Number of Items 1 Contact Material Abs Operating Voltage 5 Volts Specification Met RoHS Included Components led push button Number of Positions 4 Upper Temperature Rating 85 Degrees Celsius International Protection Rating IP65