SKU: 1455 The Keep-Alive™ (KA) devices are used to supply power to decoders during times of power interruption due to dirty track or problematic track work. KA1 will power an HO-Scale locomotive with headlights on for approximately 2 to 5 seconds (depending on the locomotive and motor). This Keep-Alive™ includes a 2-Pin Quick Connector Harness with which to attach it to a decoder.

Dimensions: .647" x 1.052" x .293" or 16.43mm x 26.72mm x 7.44mm