Features: Capacity of 38mAh and provides long-lasting power support, suitable for devices that require long-term use. The optimized battery design has a long service life and can meet users requirements for power durability and reliability. Made of quality materials with stable discharge characteristics, it can provide continuous and stable power output. Anti-leakage design can effectively prevent battery leakage during long-term storage or use, ensuring the safety of the equipment. Widely used in small electronic devices such as watches, calculators, alarm clocks, scales, toy, car keys, remote control, etc. Specifications: Material: Composite Material Size: Approx. 9.5mm/0.37inch Model Name: CR927 CR 927 Lithium Batteries Capacity: 38mAh Voltage: 3V Note: 5Pcs/card. Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution. Package includes: 5/10/20Pcs CR927 button battery