Features: -Ideal for use in a variety of devices: toys, remote controllers, calculators,watches and other electric products. -CR927 batteries are non-rechargeable lithium 3.0 volts batteries. -Featuring good energy density and stable output voltage. -Preferable choice for many micro and small electronic devices. Package Included: -1 piece battery Specifications: Diameter:9.5mm Thickness:2.7mm Dimensions:9.5mmx9.5mmx2.7mm Weight:0.6g Shape: button cell Type:Lithium Voltage:3V