I hope this sound is realistic enough for your projects. Download the Soundpack, there is also a edited version of this sound (with reverb). Maybe i will add some spotlights in the future
Spotlight_clear.wav
聲道：1
類型：wav
spotlight、searchlight、floodlight、movie-feature、Scheinwerfer
聚光燈、探照燈、泛光燈、電影功能、頭燈
資料來源：freesound ( https://freesound.org )