Specifications: Processor: 8-bit M65C02 VLSI, hopping at 4 MHz Screen: 61x61 mm Colors: 4 shades of gray Resolution: 160 x 160 Sound: 2 Tone and 1 Noise channel plus Audio DMA stereo output channel. Built-in speaker and digital output for connecting stereo headphones Power: 4 x AA batteries or 6-volt AC adapter Network: two player cable with DE-9 connector. Attention, there are traces of use but the condition is good. Attention, as you can see in the photo, the back cover of the battery compartment is not original (from a Nintendo Game Boy), unfortunately I was not able to find the original battery cover. Attention, as you can see in the photo, the box is damaged. Attention, the kit includes everything you see in the photo. Including the original box, manual and one game