J. Thomas Ohm Electric Wall Clock - 10" Diameter. Perfect as an Office Wall Clock or for The Home. Automatically Adjusts for Daylight Savings Time - No Signal Required. Proudly Made in The USA! AUTOMATIC DAYLIGHT SAVINGS TIME - This wall clock automatically adjusts for Daylight Savings Time through a patented on-board calendar, programmed at the factory. Unlike many Atomic clock, that struggle to reach the Ft. Collins signal, this clock requires no signal or antenna to make the daylight savings time adjustment. QUALITY WORKMANSHIP - The Ohm Electric Wall Clock comes housed in a durable black plastic case with a shatter resistant polycarbonate crystal. The face is printed with a hi-res printer to insure a deep rich black on white contrast. The imported mechanism is the finest electric mechanism available. Each clock comes with a 2-year manufacturer warranty. We build to order, please allow 7 days to ship. PERFECT FOR THE HOME OR OFFICE - The Ohm makes a perfect home or office clock. It's 10-3/8", edge to edge diameter, makes this clock functional, but non-intrusive, in any area it's placed. Its black hands and Arabic numerals are offset against a pure white background making this clock extremely easy to read, even at a distance. NEVER CHANGE A BATTERY AGAIN - The Ohm Electric Wall Clock comes with a built in two-prong 5-1/2 foot electrical cord. The clock's raised depth, of 2-1/2", provides plenty of space behind the clock to wrap and hide the cord. U.S. Standard: 110v/60hz. PROUDLY MADE IN AMERICA - We believe in American products made by the finest U.S. craftsmen. Our Ohm Electric Wall Clock is a quality timepiece through and through. Buy Quality / Buy American.