The CDA-118M is designed for full operation in your boat. Features a large two-line LCD screen that's viewable in direct sunlight. Skip-resistant mechanism ensures continuous playback while you're on the waves. Fully IPX5 waterproof and certified to stand up to UV rays, salt, and fog. No-loss memory means that you never lose radio presets, zone controls, or sound adjustments, even when the battery is disconnected. Provides seamless integration of all digital media sources on your boat. Multi-zone volume control. Compatible with iPod and iPhone. Sirius XM ready. 50 watts x 4 output. Chassis: 7-3/16"W x 2-1/16"H x 7-3/8"D. Faceplate: 7-7/8"W x 3-5/8"H x 2"D.