Energizer CR1632 3 Volt Lithium Coin Battery 10 Pack (2 packs of 5)
Reliable, dependable power    Used in heart rate monitors, keyless entry, glucose monitors, toys & games    Performs in extreme temperatures from -22F ~ 140F    Holds power for 8 years when not in use    Cell size: 1632    IEC: CR1632    Volt: 3    Replacement for: BR1632, DL1632, ECR1632, KCR1632, KECR1632, KL1632, L1632