This is the Novag Star Diamond: an electronic chess computer from 2003 with an estimated rating of 2500 USCF. It has a press sensory board and a LCD display to show the moves. It has storage space for up to 64 games. It has a rating system, so you will be able to get a better sense how strong you are.
This chess computer lasts up to 50 hours on 4 x AA batteries. It is powered by a 25Mhz processor with 512KB ROM. Its opening book has 123k half moves. While this chess board is not as strong as Chessnut EVO, DGT Centaur, and Square Off, it is still a very sought after classic chess computer.