The Energizer CR2012 3V Lithium Coin Cell Battery is a reliable and long-lasting power source for various devices. This coin cell battery has a long expiry date, ensuring that it will last for a significant amount of time. Ideal for both high and low drain devices, this battery is a versatile and efficient choice for sound and vision applications. With a voltage of 3V, manufactured by Energizer, and made of lithium, this coin cell battery is a quality product that offers consistent and dependable power for your devices.