The object has several integrated circuits, potentiometers, capacitors, resistors, and diodes, as well as one large battery. In one corner there is an extraction lever.
Manufacturer
Contemporary control systems, Inc.
Place Manufactured
U.S.
Identifying Numbers
Model number
S864 4
Printed in white along the edge of the board on the component side
Other number
11809
Printed on the white sticker on the solder side of the board
