Television

television are FNWH2 and FNWH3's One of the mechanics is that it can be used to keep alpacas away from players, but it can also bring other people into the office.

mechanics
Player in NIGHT3 and All nights after that, you can press the space to turn on and off the TV. The player needs to turn on the TV to keep the alpaca away from the office, but the music and color of the TV ads will attract other people and the player needs to use it properly.

Use strategy and hint
Alpaca players should be able to hear music boxes as they approach, and it's best not to turn on the TV when they have to, especially when other enemies are wandering around the office. Turning on the TV is death, especially after NIGHT 4, suicide Nico becomes active. She can get into the TV and turn it on when you have to. Kill you, so players need to use it very carefully.