The Downeaster Tide Clock, Blue comes with a 5 Year Warranty!Know at a glance if the tide is High or Low, or whether its rising or falling. The tide clock's cycle is geared for Atlantic Coast tides (approximately two High and two Low tides per day). The highly polished and lacquered 6" brass case can be mounted directly on the wall, on a wooden panel, or you can purchase thePremium Mahogany Mantle Standor one of theMahogany Wall Panelswith one to four holes to display this item on the wall. Both of the Mantle Stand and the Wall Panels are custom made for the Downeaster items.Perfect for boaters, fishermen, surfers, or anyone who loves the outdoors! Operates on a single AA battery. Also available with a White Face. Get the Downeaster Tide Clock, blue today at the Guaranteed Lowest Price.