Designed for use with our battery eliminator kits that use a 1 x AAA, 1 x AA, 1 x C or 1 x D alkaline battery. This AC to DC wall power adapter plugs into a standard wall outlet and converts 100VAC-240VAC to 1.5VDC @ 300mA. Comes with a 5-ft long power cable with a 5.5mm x 2.1mm barrel plug connector at the end.