Brand Name: LAMPVPATH Specification: <>Type of AAA Battery Holder: 2 aaa battery holder, 2x 1.5V aaa battery holder with leads <>Voltage Output of One 2xAAA Battery Holder: 3V, 2 x 1.5v aaa batteries = 3v aaa battery holder <>Extra 3 Types of AAA Battery Holder by DIY: Join two 2 X 1.5V 2 aaa battery holders with wires can get a 4-aaa 6v battery holder; Join three 2 X 1.5V aaa battery holder 2 can get a 6-aaa 9V battery holder, Join four 2 X 1.5V aaa battery holder can get a 8-aaa 12V battery holder. So, 6Volt aaa battery holder, 9Volt aaa battery holder and 12Volt aaa battery holder are got by simple DIY. <>Dimensions of Battery Holder for AAA: 2.082" x 0.948" x 0.516"/5.29cm x 2.41cm x 1.31cm(L*W*H) <>Leads: all the 2 aaa battery holder with leads, they are tinned wire end <>Wires Length of AAA Battery Holder with Wires: 5.9"/5cm <>Wires Diameter(count in the PVC isolation around the wire): 0.0393"/1mm <>Wires Color: red and black, the red cable contact the positive side of the aaa battery holder pack, and the black cable contact the negative side of the 2 aaa battery holder pack. <>Color of AAA Battery Holder Case: black <>Material of AAA Battery Holder Box: plastic ABS <>Weight of One 2 AAA Battery Holder with Wires: 0.176oz/5g <>If 2AAA Battery Holder has ON/OFF Switch: no <>If 2xAAA Battery Holder has Cover: no Package Contents: 12x 2 aaa battery holder with leads