This indoor Digital Clock can be used as a substitute for an analog clock in the den, the living room or in the bedroom Specifications: 1. 5mm super bright LED Display 2. Display 4 digit ( Hours: Minutes) 3. MCS51 System and DS1307 RTC 4. Setting Remote Control 5. Aluminum Letter Box U 6. Size 30 x 15 cm 7. Acrylic windshield