Voltage 3V. CR2032 battery is used in LED candles, safety lights, reflectors, flashlights, bike lights, etc.

The Panasonic Lithium Power CR2032 coin cell battery provides long-lasting performance in everyday small electronic devices.
Tip: A quality Panasonic battery ensures long and reliable operation for Apple's Airtag!
The CR2032 battery is used in, among other things, LED candles, emergency lights, reflectors, flashlights, bike lights, computer motherboards, and keyless locking systems.
Voltage: 3V
Dimensions: 20 x 3.2 mm
Many manufacturers name their batteries in a slightly different way. This battery also corresponds to the following batteries: BR2032, DL2032, ECR2032, KCR2032, KL2032, KECR2032, LM2032, 5004LC, SB-T15, L14, SR2032, EA-2032C