It may be a small electric equipment of power 4 Watt, which is designed to be operated by an alternate current of range voltage of 110 to 120 Volt and frequency range 50 to 60 Hertz.
No picture, no answer.
It's for mains operation, and consumes or outputs max. 4 watts.
At this stage, only you know what it looks like. Did you ask your parents?
