2 pack of Energizer 2032 Batteries, 3V Lithium Coin Batteries3V lithium coin batteries perform in extreme temperatures from -22 F to 140 FLong lasting toy, health monitor and remote batteries - works with AirTag and similar devicesCoin cell batteries hold power for up to 10 years in storageCR2032 lithium coin battery enclosed in child-resistant packaging to help keep kids safe from ingestionEnergizer is the specialty brand of battery, ensuring dependability Energizer Lithium coin Watch/electronic Battery, size 2032, 2 pack, hi-tech minature battery for your electronics from health and fitness devices to books and games.