Apple Macintosh Powerbook 160

I have the main unit and power adapter.

type computer
country USA
year 1992
os Mac OS 7.5.3
cpu Motorola 68000
speed 25 MHz
ram 8 MB
hd ? MB
graphic 640 x 480
colors mono
sound beeper
ports ADB, video mini-15, mic omni, printer, modem, speaker