3V CR2025 lithium cell batteries. The CR2025 lithium cell battery is used in multiple products. Use them for digital scales, calculators, watches, cameras, remote controls, Hex bugs, Toys, Hearing Aids, PDA's, Handheld games, Blood Glucose Meters, Small LED flashlights, keyless car remotes, car security alarms, garage door remote controls, dream cast VMU's, data organizers and hundreds of other electronic products. BlueDot Trading is a registered trademark. BlueDot Trading LLC and Amazon.com are the only authorized sellers of BlueDot Trading branded products.