Panasonic ECE3157 Low-power wireless service call expansion display (simple type) (up to 9 units) Display number cards are available from 9 to 32. Instruction manual is not included. Please download the installation guide and instruction manual from the website. Stored at home. The box shows signs of aging. Everything in the photos is included. Items not shown in the photos are not available. Please understand this before bidding. The power connection cable and screws are included as shown in the photos. Returns are not accepted. Please understand this before bidding.