Energizer E-CR2032BP1 Lithium Coin Battery has Reliable power for your heart-rate monitors, keyless entry, glucose monitors, toys & games. Holds power for 10 years in storage. High energy density. Excellent leak resistance. Ideal for continuous and low-power consumption applications. Performs in extreme temperatures (-22 to 140 F). Child Resistant Packaging. Cell size: 2032. IEC: CR2032. Type: Lithium Coin. Volt: 3. Major Applications: Car key, Motherboard, Electronic toys