The Dantona Battery is a reliable power source featuring a capacity of 120 mAh and an output voltage of 3 V DC. Designed with Lithium Manganese Dioxide (CR) battery chemistry, it ensures long - lasting performance and dependability. This non - rechargeable battery is perfect for watches and other small electronic devices, providing the energy needed for optimal functionality. With a compact size of 0.1" in depth and 0.6" in height, it is easy to install and use. The battery is also environmentally friendly, complying with the Restriction of Hazardous Substances (RoHS) standards.