1. video surveillance technology: install video surveillance equipment in prisons and detention centers to monitor and record criminals' behaviors in real time to prevent criminals from escaping, hurting themselves or attacking other prisoners.
2.GPS positioning technology: For some specific criminals, GPS positioning equipment can be installed on them to monitor their whereabouts in real time and prevent them from escaping or committing crimes.
3. Face recognition technology: install face recognition equipment in prisons and detention centers to identify and confirm the identity of criminals and prevent impersonation or other identity fraud.