Acctim's LCD alarm clock features dual power sources and a sleek design that will add a stylish edge to your bedroom. Complete with a hybrid power system which uses solar energy by day and battery by night to significantly extend battery life. The clever power system is combined with the clock's innovative Acctim Smartlight technology which automatically illuminates the display for easy nighttime viewing. The clock also has a high/low brightness control and its display has an additional blue backlight that illuminates when the button is pressed. With a crescendo alarm that's sure to wake even the deepest sleepers, this fantastic alarm clock also comes with a 1 year guarantee.