Nail Examiner M1X pro face recognition Corhandling machine facial recognition beating card machine to work brush face Smart sign to the machine WIFI Networking dingding card helper Tintin (3167) - Tao
M1Xpro face recognition exam attendance machine M1Xpro face recognition Corhandling machine power outage hit card line M1Xpro face recognition Corhandling machine power outage backup power supply