Description If you are looking for professional and affordable mini light bulb, then your research is over here. That's because our product can satisfy your need. It makes easier to use in physical electricity experiment. It will be the good choice for you. Features - Color: . - Material: Glass. - Size:2.50X1.30X1.30 cm/0.98X0.51X0.51 inch. - Rated voltage: 1.5V. - Rated Current: 0.3A. -Rated Power: 0.45W. - Screw base: E10. - They are mainly used in electrical experiments of middle and primary school, excellent and useful. - Great instrument for learning physical and electrical experiments, as well as the science DIY equipment for children and primary school students. - Can be equipped with switch, battery box, lead wire etc. to build small lighting circuit. - It is lightweight for carrying easily, which the students can bring it outside to play with their friends. - It is manufactured with professional technology to ensure the good quality of the product and can work for a long time.Package list: 50 x small bulbsNote: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 232 hours Hope you have a pleasant shopping experience!