Description If you are looking for a professional and afable mini light bulb, your search is over. This product meets your needs and is ideal for use in physical electricity experiments. It is a reliable choice for eonal 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 - Designed for electrical experiments in middle and primary schools; functional 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 wire, and other components to create a small lighting circuit - Lightweight and portable, allowing students to carry it easily for outdoor activities - Manufactured using professional technology to ensure quality and long-term performance Packing list: 50 x small bulbs