12 volt power supply (4x2fat). 8x AA battery holder & PP3 connector cable
1Pc 8 AA 2A Battery 12V Clip Holder Black Box Case with Wire Leads. 8 AA Battery Holder Case Leads 1.5V X 8 12V Clip Type For Soldering/Connecting. Support 8pcs of AA battery to make 12V(battery is not included).