Oh, if you're wondering how many watts a kitchen exhaust fan uses, it's usually around 40 watts. But, you know, how much electricity it actually uses depends on how long it's running. So, if it's on for one hour, it uses 40 watt-hours, and if it's on for two hours, it would use 80 watt-hours, and so on. It's kind of like how much you use your phone – the longer it's on, the more power it uses!