Type

Portable - Keypad with LCD display

Processor

SL90594 cpu (probably Fairchild 3850 compatible)
7 MHz  8 bit

Memory

2KB ROM   256 bytes RAM

Power

9V  150mA  positive centre
or 6 x AA batteries

Dimensions

20.7 x 13.7 x 4.8 cm

Chessboard

9.6 x 9.6 cm

King Height

1.9 cm