Package Includes: Honeywell 5800RP Repeater for Honeywell 5800 Series Wireless Sensors Honeywell K10145WH-1 9VAC 25VA Tranformer Honeywell’s 5800RP is a wireless repeater that extends the range of 5800 Series RF devices. For installations that require increased RF range, the 5800RP eliminates the need to run wires to a remotely installed secondary receiver and also eliminates the need to upgrade to a larger control panel that supports two receivers. Includes transformer.