Click to expand Tap to zoom Kidde KN-COP-IC AC/DC Wire-In Digital Display Interconnect (21006407) SKU 21006407 by Kidde Original price $66.74 - Original price $66.74 Original price $66.74 | / Quantity Add to cart More payment options This item is a recurring or deferred purchase. By continuing, I agree to the cancellation policy and authorize you to charge my payment method at the prices, frequency and dates listed on this page until my order is fulfilled or I cancel, if permitted. Usually Ships in 5-10 Business Days