LEDs for electronic projects Slow color changing type Red, green, blue, lime green, emerald, pink, etc. Bullet-shaped 5mm Please use for soldering work yourself. Those without soldering skills cannot use this product. There are variations in brightness and color due to manufacturing irregularities. ▼Rated Voltage 3.0-3.2V, can be used with 2 x 1.5V dry cell batteries. This LED alone will automatically change color in a gradient. No other capacitors or IC chips are required. Please use new batteries for operation check. Old batteries will not work correctly. Please excuse any claims due to your own work errors. No price reduction ※This is an illumination light that slowly changes color. Perfect for Christmas trees. This product is completely different in quality from the cheap ones found in 100-yen shops that blink rapidly like the signs of pachinko parlors.