• Details

• Product description::
  
  (a) Function feature:
  
  1, Adopt tiny processing technique,digital
  full-automatic remote control, good
  capability and high dependability
  
  2, Have power supply and automatically
  close electric circuit, don\'t work
  automatically turn into waiting situation
  
  3, 2.4 G emission rate , emission power is
  less than 17 dbm
  
  4, Can call, supervise talk-back and open-
  lock ect.remote control function
  
  5, One doorway machine hulls can control
  several indoor machine, and one indoor
  machine can connect several doorway
  machines
  
  6, Picture storage type, 32 breadth
  
  7, The distance of remote control is about
  40-50 ms(have no obstacle)
  
  8, Have a remote control outside, avoid
  bothering and surveillance function, can
  be operated by the pocketsized remote
  control
  
  9, Out-shell adopt fire prevention ABC,
  beautiful external appearance design
  
  10,(Black and white, colorful) can choose
  the wall hang or the set type
  
  
  (b)Technique specification:
  
  Product model,pressure,waiting working current,working current,working temperature,working humidity
  
  A NT-991 DC 15 V<30 mAs <600 mAs- 20-55 C
  85% RH
  
  B NT-991 DC 15 V<28 mAs <580 mAs -20-55 C
  85% RH
  
  (c) Notice :
  
  1, Install method can read the instruction
  
  2, Doorway machine must keep away from
  water and sunshine
  
  3, The indoor machine should pull up
  antenna, adjust the direction can
  influence the voice
  
  
  
  

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