The 2-Card CR2032 Rayovac 3 Volt Lithium Coin Cell Batteries are designed for various devices that require a 3V power source. Here are the details:

Chemistry: Lithium Voltage: 3 Volt Brand: Rayovac Part#: KECR2032-2G Dimensions: 20 mm x 3.2 mm

Features:

High Energy & Continuous Voltage Supply
Long shelf Life (up to 10 years)
Ideal Temperature Resistance
Superior Storage capacity

These CR2032 batteries are commonly used in a variety of devices such as watches, calculators, key fobs, remote controls, and more. They provide a reliable power source with a long shelf life, ensuring your devices have the energy they need when you need them.

The compatibility of CR2032 batteries extends to other common battery designations such as BR2032, KL2032, L2032, KCR2032, E-CR2032, ECR2032, and KECR2032. Additionally, they are equivalent to the 5004LC and SB-T1 battery models.

Please note that when replacing batteries in your devices, it's important to ensure proper polarity and compatibility with the specific device's requirements.