ITEM NAME:10Pcs CR2032 3V Button Coin Cell Battery Holder Case Box With On-Off Switch Z #aucsearchbutton #aucsearchbutton:hover { cursor: pointer;.This Product is CR2032 10Pcs DIY 2 3V Button Coin Cell Battery Holder Case Box With On-Off Switch. Battery type: 3V CR2032 Coin Battery. Connector: Copper sheet. Easy installation. Color: Black.