MECCANIXITY E10 Screw Base LED Bulb DC 9V 0.25W Hollow Head Mini Diffuse Light with Storage Box, White Pack of 10

What is this? The miniature bulb is a flat-concave top design with a metal threaded base, and the luminous color of the bulb can be easily identified through the plastic ring of the lamp holder. Widely used in flashlights, equipment indicators, instrumentation lights, aircraft and ship signal lights, warning lights, microscope lights, amusement equipment, circuits laboratory, etc. What will I get? Luminous Color: White Material: Metal, Plastic Base Type: E10 Screw Base Operating Voltage: DC 9V Power: 0.25W Luminous Brightness: 4000-6000mcd Overall Size: 23mmx11.6mm / 0.91"x0.46" (H*Dia.) Package Content: 10 x Miniature LED Lamps, 1x Storage Box Are there any advantages of the product? The LED bulb has low power consumption and strong shock resistance. Compared with incandescent bulbs, it is more energy-saving and has a longer service life. How to use it? Easy to install, remove the old bulb from the lamp holder and screw in the new one. What should I notice? The side of the lamp holder is negative, and the bottom is positive.