With it&8217;s sleek black, ultra thin design this radio-controlled clock & calendar will help keep your life organized. While its indoor & outdoor temperature, with its remote thermo sensor, will help you better plan your days. An ice alert is also included making this the perfect accessory for gardeners. But by far its best feature is its clever solar panel which helps make the most out of the sun&8217;s natural power to help your lithium batteries last longer. Absorbing & storing power during the day, it switches over to the batteries power source at night, ultimately increasing the life-span of the battery.