Loaded with advanced features typically found on open arrays, the powerful Garmin GMR 18" dome radar offering superior traffic, obstacle, and weather detection for peace of mind on the water. Features:• 4 KW power output, 48 nautical mile max range• Scan-averaging technology• Improved target-size processing• Split-screen dual-range display• Bird detection• Quiet dome-drive motorIn the Box:• GMR 18 xHD3 dome radar• Power cable (15 m/49.21 ft)• Network cable (15 m/49.21 ft)• Mounting hardware kit and template• Installation instructionsGeneral:• Dimensions: 20" x 9.8" (508 mm x 248 mm)• Weight: 7.0 kg• Waterproof: IPX7• Antenna length: 17" (43 cm)• Rotation Speed (RPM): Up to 60 RPM, depending on settings• Beam Width: 5.2° horizontal, 25° vertical• Maximum Range: 48 nm• Minimum Range: 20 meters• Radar Type: RadomeElectrical Features:• Power Input: 11-32 v DC• Power Consumption (Standby): 15 W• Typical Power Consumption, Transmitting (Normal Mode): 40 W• Transmit Power: 4 KWRadar Features:• Dual Range: Yes• Overlay: Yes• Dual Radar Support: Yes• Auto Bird Gain: Yes• Auto Gain: Dynamic• MARPA Target Tracking: Yes (requires heading sensor, sold separately)• Echo Trails: True• Target Size: Yes• Scan Averaging: Yes Faster Scanning Antenna True Echo Trails Dual Range with Overlay | Garmin GMR 18 xHD3 18" Radar Dome