This is an original Goodrich Landmark Terrain Awareness & Warning System P/N 805-18000-001. This item was removed for a Beechcraft King Air 300. It is 10 x 3 x 7 inches. This item is being sold as a collectable. Payment must be received within 10 days of auction closing unless prior arrangements have been made. Buyer to pay shipping . AZ residents add 6.7 % sales tax. If you have any questions please contact me via e-mail before bidding. Thank you for your interest in my auctions