Garmin GMR Fantom 18" Solid State Radome. High-resolution images and high antenna gain help to pick out targets at a distance. 8-bit true color imagery enhances target separation. MotionScope Technology uses the Doppler effect to detect moving targets and highlight them in different colors. Features power save mode, timed transit mode, target size, auto bird gain, echo trails, dual range, dual radar support, dynamic auto gain, dynamic sea filter, radar overlay, automatic acquisition, guard zone, Variable Range Markers (VRM) and Electronic Bearing Lines (EBL). Offers 50 watts of power and up to 60 RPM rotation speed. Easy to install and use.