This recording of a shopping centre security alarm was made in mono on a Sony ICD-BX112. The voice says (I think) "Security contact control". If you use the sound, please comment about what you've done. I'd be excited to hear someone has found a use for it!
購物中心Alarm.wav
聲道：2
類型：wav
alert、security、shopping-centre、alarm
警報、安全、購物中心的、報警
資料來源：freesound ( https://freesound.org )