Alarming Pin tag:
A. Product size: 53X53X20mm.
B. for free combinations: ES502D; ES520D; ES505D; ES503D…… 
C. Pin: 1 pc of normal steel pin (standard).
D. Alarm volume: ≥95db.
E. Standby time: 2 years.
F.  Frequency: 8.2Mhz / 58Khz as options.
    2A/3A/4A
 
   
  