Saim 2 x 2032 Coin Cell Plastic Battery Holder 6V Output w On/Off Switch 12 Pcs The holder is made of plastic with snaps to open and closed. You can tape it closed if you need more security than just the plastic snap. With on/off switch on top. Fit Battery Model: 2 x 3V CR2032 Battery(Not Included Here); Package Included: 12 Pcs x Button Battery Holder Note: Please do not separate, maintain, or refit the product.The wires are thin, and the structure of this product is only fit for very small current load, DO NOT connect it to a load that will cause large current, stop using this product if the wires are hot.