This Product is CR2032 10Pcs DYI 2 3V Button Coin Cell Battery Holder Case Box With On-Off Switch. <br><br><strong>Feature:</strong> <br>100% Brand new and high quality. <br>DIY power supply. <br>Easy installation. <br><br><strong>Description:</strong> <br>Battery type: 3V CR2032 Coin Battery <br>Connector: Copper sheet <br>Color: Black <br>Package Size: 15 * 6 * 2cm/ 6 * 2.4 * 0.8in <br>Package Weight: 52g / 1.8oz <br><br><strong>Package List:</strong> <br>10 * CR2032 Battery Cell