Specification:
Battery Type: 2 AA batteries, 2x 1.5V AA batteries
Battery Holder Switch Function: AA battery holder with ON/OFF switch
Battery Holder Wire Leads: 2 aa battery holder with black and red wire and wire leads, with tinned wire end
Battery Holder Wire Length: 5.7"/14.5cm
Cable Diameter(count in the PVC isolation around the wire): 0.0393"/1mm
Battery Holder Cable Color: red and black
Battery Case Dimensions: 2.708" x 1.34" x 0.75"/6.88cm x 3.4cm x 1.9cm(L*W*H)
Battery Box Weight: 0.67oz/19g(one battery holder with one screw weight)
Battery Box Color: black
Material: Plastic ABS
Screw Size: 0.303" x 0.0787"/7.7mm x 2mm(Length*Diameter)

Package Contents:
2x 2 aa battery holder with switch leads
2x screws