{"product_id":"3mm-rgb-flash-led-bulbs-10-pack-rainbow-color-emitting-diodes","title":"10-Pack 3mm RGB Flash LED Bulbs – Rainbow Flashing Diodes","description":"\n\u003ch2\u003e10-Pack 3mm RGB Flash LED Light Beads – Fast \u0026amp; Slow Flashing Rainbow Colors\u003c\/h2\u003e\n\u003cp\u003eAdd vibrant, eye-catching color to any DIY electronics project or decorative display with these \u003cstrong\u003e3mm RGB Flash LED Bulbs\u003c\/strong\u003e from HVIERO. Available in fast and slow flashing modes, these round clear-lens LEDs cycle through red, green, and blue — creating a stunning rainbow effect perfect for everything from billboards and showcases to home décor and creative maker projects. Made in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRGB Rainbow Flashing:\u003c\/strong\u003e Automatically cycles through red, green, and blue hues in fast or slow flash patterns — no external controller needed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClear Water Lens:\u003c\/strong\u003e Colloidal transparent housing delivers a bright, clean light output for maximum visual impact.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLow Voltage Operation:\u003c\/strong\u003e Runs safely at 2.0–3.4V forward voltage (2.0–2.4V for red; 3.2–3.4V for blue and green), making them ideal for low-power circuits.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEnergy Efficient:\u003c\/strong\u003e Approximately 40% lower power consumption compared to traditional energy-saving lamps at only 100mW power consumption.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFast Response Time:\u003c\/strong\u003e Near-instant switching enables dynamic, responsive light effects for displays and signage.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMercury-Free:\u003c\/strong\u003e Contains no harmful heavy metals — a safer choice for your projects and the environment.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLong Service Life:\u003c\/strong\u003e Built to last, reducing the frequency of replacements.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Temperature Range:\u003c\/strong\u003e Operates reliably from -55°C to +100°C, suitable for both indoor and outdoor applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e F3 3mm Fast\/Slow Flash RGB Round LED (Model No. 700A\/B-45)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLens Color:\u003c\/strong\u003e Water Clear (Colloidal Transparent)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eForward Voltage:\u003c\/strong\u003e 3.2–3.4V (Blue, Green) \/ 2.0–2.4V (Red)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Current:\u003c\/strong\u003e 10–20mA\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower Consumption:\u003c\/strong\u003e 100mW\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePulse Current:\u003c\/strong\u003e 60mA\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReverse Voltage:\u003c\/strong\u003e 6V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReverse Current:\u003c\/strong\u003e 10µA (test condition: 5V)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLead Length:\u003c\/strong\u003e Positive: 17.5mm \/ Negative: 15.5mm (±0.5mm)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSoldering Temperature:\u003c\/strong\u003e 260°C, complete within 5 seconds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e -55°C to +100°C\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStorage Temperature:\u003c\/strong\u003e -55°C to +100°C\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCertification:\u003c\/strong\u003e CE\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 10 pcs per pack\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in Mainland China\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIdeal Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDIY electronics and maker projects\u003c\/li\u003e\n  \u003cli\u003eBillboard and signage decoration\u003c\/li\u003e\n  \u003cli\u003eLandscape and architectural accent lighting\u003c\/li\u003e\n  \u003cli\u003eHoliday sculptures, seasonal displays, and themed entertainment\u003c\/li\u003e\n  \u003cli\u003eBars, dance venues, porches, railings, staircases, bridges, and parks\u003c\/li\u003e\n  \u003cli\u003eShowcases, storefronts, and retail display lighting\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/10-color-sand-wax-candle-making-kit-granulated-wax-wicks\"\u003e10-Color Sand Wax Candle Making Kit – Granulated Wax \u0026amp; Wicks\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-5m-nylon-braided-3-5mm-aux-audio-cable-car-phone-headphone\"\u003e1.5M Nylon Braided 3.5mm AUX Audio Cable | Car, Phone \u0026amp; Speaker\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eLearn More\u003c\/h3\u003e\n\u003cp\u003eFor general guidance on LED and electronic component safety standards, visit the U.S. Consumer Product Safety Commission (CPSC).\u003c\/p\u003e\n\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cp\u003e10 × 3mm Fast\/Slow RGB Round Flash LED Light Beads (fast or slow flash as selected)\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What is the difference between the fast flash and slow flash RGB LED options?\u003c\/h4\u003e\n\u003cp\u003eA: Both fast and slow flash RGB LEDs automatically cycle through red, green, and blue colors without any external controller. The fast flash version transitions between colors rapidly for a dynamic, energetic effect, while the slow flash version changes colors gradually, creating a calmer, smoother light display. Select your preferred version at checkout.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What voltage and current do these 3mm RGB flash LEDs require?\u003c\/h4\u003e\n\u003cp\u003eA: These LEDs operate at a forward voltage of 2.0–2.4V for the red channel and 3.2–3.4V for the blue and green channels. The standard operating current is 10–20mA. They are suitable for use in most standard low-voltage DIY circuits and breadboard projects.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can these RGB LED bulbs be used outdoors?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. These LEDs are rated for an operating temperature range of -55°C to +100°C, making them capable of handling outdoor conditions. However, they are bare through-hole components and are not waterproof on their own — ensure appropriate weatherproofing enclosures are used for outdoor installations.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Do I need a resistor when using these LEDs in a circuit?\u003c\/h4\u003e\n\u003cp\u003eA: Yes, it is recommended to use a current-limiting resistor in series with each LED to protect it from excess current. Calculate the appropriate resistor value based on your supply voltage and the LED's forward voltage and current specifications for best results and longevity.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is the difference between the fast flash and slow flash RGB LED options?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Both fast and slow flash RGB LEDs automatically cycle through red, green, and blue colors without any external controller. The fast flash version transitions between colors rapidly for a dynamic, energetic effect, while the slow flash version changes colors gradually, creating a calmer, smoother light display. 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