Description If you are looking for a professional and affordable mini light bulb, your search is over. This product meets your needs and makes physical electricity experiments easier to conduct. It is a great choice for educational purposes. Features - Color: As shown - Material: Glass - Size: 2.50 x 1.30 x 1.30 cm / 0.98 x 0.51 x 0.51 inch - Rated voltage: 1.5V - Rated current: 0.3A - Rated power: 0.45W - Screw base: E10 - Mainly used in electrical experiments for middle and primary school education; reliable and practical - Ideal for learning physics and electrical experiments, as well as science DIY projects for children and elementary school students - Can be used with a switch, battery box, lead wires, and other components to build small lighting circuits - Lightweight and easy to carry, allowing students to take them outdoors for group activities - Manufactured using professional technology to ensure quality and long-term performance Package list: 50 x small bulbs