12V E10 Warm Yellow Mini Incandescent Bulbs What is this? The miniature incandescent bulb has a glass dome shape with a metal threaded base. Widely used in flashlights, equipment indicators, instrument lighting, signal lights, warning lights, interior lighting, microscope lights, circuit experiments, etc. What are the advantages of the product? The incandescent bulb has low power consumption, strong shock resistance, and a long service life. How to use it? The side of the lamp holder is negative and the bottom is positive; easy to install, remove the old bulb from the lamp holder and screw in the new one. What should I pay attention to? Use a voltage that matches the rated voltage of the small incandescent bulb. If the working voltage is too high, the bulb will not work; if the working voltage is too low, the bulb may not light up. Material: Metal, Glass Light color: Warm yellow Base type: E10 Screw base Maximum working voltage: DC 12V Total size: 25mmx10mm / 1 \"x0.4 \" (H*Dia.) Package content: 50 x Miniature bulbs