A portable old television produced by Samsung, featuring the following details: Model and Type: It is a Samsung BT-121AJ, a 5-inch portable television that displays images in black and white. Multiple Functions: The device includes a built-in radio that supports AM and FM waves. Production Date: This model was manufactured in South Korea, and it is estimated to date back to the mid-1980s, specifically 1984. Operation: This type of device was designed to run on local electricity or via batteries for ease of portability.