The Starck Large Basic Clock Starck Large Music Clock, Starck Large Visual Clock, and Starck Large Multi Clock, are large display alarm clocks designed for use by individuals with low vision. The Basic Clock displays the time in large digits, with a continuous HiGlo backlight when household power is used. The clock has a daily crescendo alarm with snooze and a choice of seven different alarm melodies. The clock and calendar are radio-controlled. In smaller characters, the clock display also shows weather forecast symbols (sunny, partly cloudy, cloudy, or rainy); barometric history in 23-hour numeric format; barometric trends (rising, falling, or steady); altitude compensation setting (minus 100 meters to 2500 meters); temperature and humidity from one indoor sensor and up to three outdoor sensors; temperature trends (rising, falling, or steady); maximum and minimum temperature readings; comfort level (wet, comfortable, dry); and high, medium and low tides with 8 moon faces. The Music Clock includes all of the features of the Basic Clock plus an AM/FM digital radio with PLL tuning, a 16-station memory (eight AM and eight FM), auto tuning and search options, digital sound, and a sleep timer and alarm with eight-minute snooze. The Visual Clock has all of the features of the Basic Clock, and in addition it projects current time and alarm on/off status on to the ceiling at night, with manual focus, 180-degree rotation, and image flip options. The Multi Clock includes all of the features of both the Music Clock and the Visual Clock. POWER: These clocks use the alternating current (AC) adaptor or four double-A UM-3 1.5-volt back-up batteries. The remote sensor uses two triple-A UM-4 1.5-volt batteries. DIMENSIONS (HxLxW): 7.08 x 1.58 x 7.28 inches. COLORS: Gray casing with gray, red, or yellow display and black letters.