Battery Type 2 AA batteries, 2x 1.5V AA batteries. There are 2 pcs 2aa battery holder in the package.
Battery Holder Switch Function AA battery holder with ON/OFF switch
Wire Leads 2 aa battery holder with wire leads, tinned wire end; Wire Length 5.7"/14.5cm; Cable Diameter(count in the PVC isolation around the wire) 0.0393"/1mm; Cable Color red and black
AA Battery Case Dimensions 2.71" x 1.34" x 0.75"/6.88cm x 3.4cm x 1.9cm(L*W*H)
One Battery Holder with One Screw Weight 0.67oz/19g; Package Contents 2 Pcs battery holder with 2Pcs screws