The Orbatron is a small LED alarm clock in silver, or all-black colourway choices. Features & Specifications: – Designer LED clock with a bright display – 12 or 24-hour format – Night Screen brightness setting – Temperature display 0 to 50?C – USB power cable included – Size: HWD 10 x 10 x 4.7cm; 0.14kg – Materials: Acrylic alarm clock, LED dial – Colour: Black Case, Black Lens, with Green LED / Black Case, Black Lens with Orange LED / White Case, Silver Lens, White LED – Movement: Digital – Power: 1 x USB cable included – 3 x high-quality branded AAA batteries (not included),DC input 5V/500mA – 1000mA (not included) The time will display continuously only when connected to a power source with the included USB cable or a DC adaptor (not included). 3 x AAA batteries (not included) are required to retain time and alarm settings.