Features: High capacity: With high-capacity design, which can provide long power compared to traditional button batteries. Long service life: The product is with long service life, and maintain good battery performances, extending the device's service life. Stable output: The product provides stable current output, ensuring the normal operate of the equipment and maintaining reliability in different application scenario. Portable size: Button shape and is of moderate size, making it very convenient to carry and install in various devices. Wide application: Suitable for remote control, electronic scale, watches, electronic calculators, car key and more. Specifications: Material: Metal Composite Material Quantity: 5pcs/sheet Model: CR1620, CR1632, CR1616(optional) Size: approx.16x16mm/0.63x0.63inch Voltage: 3V Capacity: CR1620(70mAh), CR1632(120mAh), CR1616(50mAh) Package Includes: 5Pcs/sheet Coin Batteries note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.