This AmbientNAV CDI-AN-LCD21ALDL-001 display is a reliable choice for harsh environment navigation. The ALPHA21 display is designed to withstand tough conditions and provide accurate readings. Its compact size and lightweight design make it easy to install and use on boats and other watercraft.The display is made by AmbientNAV, a trusted brand in the navigation industry. It comes with a manufacturer part number of CDI-AN-LCD21ALDL-001 and is categorized under Other Electronics & Navigation, Electronics & Navigation, Boat Parts, and Parts & Accessories on eBay Motors. This display is perfect for those who need a durable and reliable navigation tool.