GMR 18 xHD4 kW high-definition 18” dome radarPairs ease of use with advanced open-array features48 or 24 RPM rotation speeds for fast screen refreshes, auto adjusts as needed based on range48 Mile max range settingNo complex user settings, easy to install and start usingOur next-generation, 4 kW high-definition GMR 18 xHD dome radar pairs ease of use with advanced open-array features. Its intuitive operation makes modes and settings simple to understand so you can enjoy great performance without a lot of technical know-how.The GMR 18 xHD delivers higher resolution than our previous generation 18” dome radars. New Dynamic Auto Gain and Dynamic Sea Filter continually adjust to your surroundings, providing optimal performance in varying conditions. Choose from multiple levels of aggressiveness or use manual gain adjustment. Dual range operation allows fully independent split-screen display of far and close radar views in full 8-bit color (select chartplotters); range of 48 nm. Optional “No Transmit Zone” can protect areas behind the radar from being radiated while providing full forward-looking radar capability. This makes installation more flexible by providing more suitable installation options on your boat.In The Box:GMR 18 xHDMounting hardware kitPower cable (15 m/49.21 ft)Network cable (15 m/49.21 ft)Installation instructionsMounting templateGrommet for marine cableWARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.