1. Weight: about 212g (including packaging) 2. Size: Point reading pen height 16.2 cm, card 15.5x15.5 cm 3. Power supply: 2 x AA batteries (not included) 4. Rounded corner design, beautiful and safe 5. 12 double-sided cards, divided into question area and answer area 6. Touch the answer area, the pen will show you whether the answer is correct, the pen will light blue when correct, and red light when it is wrong
