Description Are you looking for a professional, yet affordable light bulb? Are you in search of a sturdy, trustworthy tool that can do multiple jobs at once? If yes, look no further! Our professional light bulb must meet you needs. It is one of the best choices for you. Features - Color: As shown. - Size: 2 x 1 x 1 cm. - Material: Glass. - For E10 led lamps only. - Lamp type: E10 screw type lamp holder with cable line. - Use: used in old flashlight accessories lampholders, physical teaching science experimental equipment DIY.etc... - Easy to Install: Replace the bulb by unscrewing the flashlight head from the body, removing the retaining collar and old bulb. - Dear buyer, due to lighting effect, monitor's brightness, manual measurement, etc., there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand! Thank you!Package list: 10 x light bulb