Specification: 1. Battery holder type: cr2032 battery holder coin cell holder, cr2032 battery holder, cr2032 battery holder with on off switch, button coin cell battery holder with leads on off switch 2. Battery holder voltage output: 3V, 1 x 3V CR2032= 3 volt battery holder 3. Button battery holder with switch function: ON/OFF switch on cr2032 battery holder 4. Button battery holder with lead: cr2032 battery holder with lead, tinned wire end 5. The cord length of the button cell battery holder: 11.42''/29cm 6. Cable diameter: 0.0393''/1mm 7. Button battery holder color: black,white,transparent 8. Size of CR2032 battery holder with switch: (L*W*H)/1.34''x 0.94'' x 0.24''/3.4cm x 2.4cm x 0.61m. 9. Button battery holder with switch weight: 3.2g 10. Material of CR2032 battery holder with lead: plastic ABS Package Contents: 15pcs cr2032 battery holder coin cell holder