Description: 2 Pins design, PCB Plug-in type, for single CR/2032 button battery Have features of disassembly easy, high strength and indestructibility Applicable for electronic gift factory, toy factory, clock factory and so on Color: Black Material: Plastic, Metal Inner Diameter: Approx 0.8 inch/ 20mm Total Size: Approx 0.94 x 0.8 x 0.47 inch/ 24 x 20 x 12mm / (L x W x H) Package Includes: 10pcs Button Battery Holder Note: Battery is not included here