,TFA-Dostmann Twist. Type: Digital alarm clock Shape: Rectangle Product color: White. Display type: LCD. Power source: Battery Battery type: AA Battery voltage: 1.5 V. Width: 71 mm Height: 117 mm Depth: 37 mm. Quantity per pack: 1 pc(s),TFA-Dostmann Twist - Digital alarm clock - Rectangle - White - Plastic - 12/24h - Any gender.