Atoplee 2 Pieces Wire Leads Battery Holder with Switch and Cover for 2AAA battery Output voltage: 3V;Battery model: AAA. Shell: ABS plastic;Spring: Nickel carbon steel. Connector: Nickel copper;Connect type: Wire leads Length of wire: 15cm;Size: 62*25*15mm;Net weight: 12.5g/pcs. Package Included: 2pcs Wire Leads Battery Holder