This is the CR2032-2 Lithium Battery 3V, pack/2.
Dimensions: 20mm X 3.2mm.
Nominal Capacity: 225 mAh
Replacement for BR2032, CA14, DL2032, EA2032, ECR2032, E-CR2032, GPCA14, GPCR2032, KCR2032, KECR2032, KECR2032-1, KL2032, L14, L2032, LF1/2V, LF-1/2V, RFA-35, RFA-35-11, SBT15, SB-T15, SB-T51 batteries