TOWER Complete your HO world with these accessories – the right detail to bring any scene to life. 14V / 30MA Wires to AC Power PRODUCT SPECIFICATIONS Gauge: HO Gauge Power: Electric Dimensions: 2 1/2" x 2 1/2" x 7 1/2" WARNING: CHOKING HAZARD - SMALL PARTS! NOT INTENDED FOR CHILDREN UNDER 3.