The Humminbird Wide 100 Portable Fish Depth Finder is a handheld system designed for outdoor fishing activities. It features a depth indicator and back light for easy viewing. This portable fish finder is powered by batteries and comes with a 455-transducer included in a case and box. With its durable plastic construction in a sleek black color, this product from the trusted brand Humminbird is a valuable tool for anglers looking to enhance their fishing experience. Depth finder has been in storge for some time hasn't been used on the water.