Why Choose This:★The bulb has low power consumption and strong shock resistance and long service life★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. The battery box is for installing AA batteries (not included)★The miniature bulb is a dome design with a metal threaded base. The bulbs not only can be used in science circuit experiments but also can apply to flashlights, equipment indicators, instrumentation lights, signal warning lights, microscope lights, magnification devices, model trains, holiday decoration, mirror decoration, etc★Light Color: Warm Yellow; Base Type: E10 Screw Base; Maximum Working Voltage: DC 2.
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