You can watch TV on the DS. I've confirmed it works without any issues. It might be useful in a disaster. The instruction manual isn't included, but you can watch TV just by inserting the cartridge. This is a rare item, as production has already ended. See the following information from the website: Release Date: November 20, 2007 Suggested Retail Price: 6,476 yen (excluding tax) Set Contents: DS TV, DS TV cover, DS TV external antenna Compatible Models: Nintendo 3DS/DSi LL/DSi/DS Lite/DS *You will need a Nintendo 3DS, Nintendo DSi LL, Nintendo DSi, Nintendo DS Lite, or Nintendo DS (all sold separately) to use this product.