Check the listing for details. XPT-NS Wall Transmitter Base Unit. Condition: New. Listed at 29.99 USD. XPT-NS Wall Transmitter Base Unit The XPT is a Wall Mounted X10 Controller / Transmitter. The XPT Base Unit utilizes 7 different multi-button keypads to send X10 Commands (over existing power wires) to include: ON / OFF / Brighten / Dim / All Lights ON / All Units OFF. The XPT is mounted into a standard single-gang wall box and the keypads are plugged onto the face of the base unit. The XPT Base Unit is wired to HOT and Neutral. The XPT with any of 7 Keypads can control any X10 Receiver Modules. Unit Number Addresses run in Sequential Order ascending up from the set Number Dial Address. I.E. - Dials set to A1, next button is A2, A3 and A4 in accordance with the keypads used. Individual keypads come in White or Ivory. The XPT requires a Hot and Neutral wire only. The XPT sends commands to X10 receivers. Specs X10 Product No.: XPT-W-NSWhat's Included: (1) X10 PRO XPT-NSConnection Requirement: Neutral Wire, Hot Wire The XPT is a Wall Mounted X10 Controller / Transmitter. The XPT Base Unit utilizes 7 different multi-button keypads to send X10 Commands (over existing power wires) to include: ON / OFF / Brighten / Dim / All Lights ON / All Units OFF. The XPT is mounted into a standard single-gang wall box and the keypads are plugged onto the face of the base unit. The XPT Base Unit is wired to HOT and Neutral. The XPT with any of 7 Keypads can control any X10 Receiver Modules. Unit Number Addresses run in Sequential Order ascending up from the set Number Dial Address. I.E. - Dials set to A1, next button is A2, A3 and A4 in accordance with the keypads uséd. Individual keypads come in White or Ivory. The XPT requires a Hot and Neutral wire only. The XPT sends commands to X10 receivers. Specs X10 Product No.: XPT-W-NSWhat's Included: (1) X10 PRO XPT-NSConnection Requirement: Neutral Wire, Hot Wire eBay integration by