Features: The CR927 button battery has excellent high energies density and can provide long-lasting and reliable power support. Made of quality materials, with a long service life and stable discharge performances, which can meet the needs of users for long-term use. Mixed design, this product is a mixed package consisting of button batteries of different specifications AG1, AG3, AG4, A410, AG12 & AG13, meeting the needs of various electronic devices. This battery has excellent temperature resistance and can operate normally over a wide temperature ranges, adapting to various environmental conditions. Widely used in small electronic devices such as watches, calculators, alarm clocks, thermometers, car keys, remote control, etc. For DIY enthusiasts who enjoy making small electronic product or handicrafts, the CR927 button battery is a best energy choice, which can be used for DIY projects such as handicrafts, models, and mini cameras, flashlight providing energy assurance for more creativity. Specifications: Material: Composite Material Quantity: 50pcs Type: AG1, AG3, AG4, AG10, AG12, AG13(totally 50pcs) Note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution. Package includes: 50Pcs Mixed Button Battery(AG1/3/4/10/12/13)