Battery Holder Type: 9v battery holder with switch, 9v battery holder with on off switch. Battery Holder Voltage Output: 9V, 1 x 9v battery holder= 9 volt battery holder with leads; Battery Holder Switch Function: ON/OFF switch on 9 volt battery case holder. 9 Volt Battery Holder Dimensions: (L*W*H)/2.657" x 1.299" x 0.835"/6.75cm x 3.30cm x 2.12cm. Wire Leads: 9v battery holder with leads, tinned wire end; Wire Length: 5.8"/14.8cm; Cable Diameter(count in the PVC isolation around the wire): 0.0433"/1.1mm; Cable Color: red and black. One 9v Battery Holder and One Screw Weight: 0.674oz/19.1g; Package Contents: 1Pcs battery holder 9v, 1Pcs screws for 9 volt battery holder with switch.