AP-28 Flip ClockTWEMCO is one of the world renowned manufacturers specializing in fully automatic flip clocks for over half century. Since 1968, TWEMCO had started developing the best fully automatic perpetual calendar digital clocks for people. TWEMCO has over 50 years of experience with excellent craftsmanship and clocks with unique features. Materials: Moulded ABS case and clear acrylic glassQuartz movement AlarmDimensions: 4. 6" x 2. 9" x 2. 8"Made in Hong Kong