Features: Ensure your devices is powered reliably with CR2016 3V Lithium Button Batteries, offering stable voltage output for consistent performances across various electronics. Featuring compactly design with a diameter of 20mm and thickness of 1.6mm, these batteries boast high energy density and low self discharge, ensuring long last power and efficiency. Suitable for individuals and everyday users who rely on small electronic devices such as watches, calculators, and remote controls. Perfect for use in diverses environment, from home to office, supporting gadgets like keyless entries, digital thermometers, and LED candle with dependable energy. Designs with leak proof technology, these button cells prioritize safety and environmental responsibility while delivering superior performances. Specifications: Component:Metal Item Model Number:CR2016 Option Type:5pcs,10pcs; Diameter:Approx.20mm/0.79inch Thickness:Approx.1.6mm/0.03in Package Includes: Package A 5pcs CR2016 Batteries Package B 10pcs CR2016 Batteries note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.