The Fish Hawk Ultra Display delivers precise and accurate speed and temperature data at the surface and various depths. Moreover, the Fish Hawk Lithium Ultra Display provides an exact and reliable measurement of your downrigger depth using water pressure. With advanced Bluetooth technology, the Lithium Ultra Display seamlessly integrates with Cannon Optimum Downriggers, the Humminbird One-Boat Network, or the Fish Hawk mobile app. This allows you to easily and efficiently access Fish Hawk data from multiple displays on the boat.Compatible with its predecessor, the Fish Hawk X4D BluetoothShows speed and water temperature at depth, surface data, and true depthDurable glass faceIP54 weather resistantIntegrates with Cannon Optimum DownriggersPair with Fish Hawk mobile app for an additional display and to log and share dataEasy-to-read display with large digits and backlightingSimple to install and operateOptional track mount available1/4-20 threaded insert for a RAM ball studRequires 12V power sourceIncludes protective display cover and gimbal mountMade in the USA