1) Large LCD screen: 53.9 x 47.1mm
2) Mode: game A and game B
3) Time and date function;
4) Alarm function
5) Game function
6) Sound hint;
7) Million puzzles for you to conquer
8) Power control
9) Power supply: 2 AAA 2 alkaline batteries
10) Dimensions (L x W x H): 72 x 116 x 21mm
11) Weight: 83g (without battery).