Technical Parameter:
1) Size: 320mm (height) x 270mm (width) x 75mm (thickness)
2) Weight: 4.4kg
3) Color:
4) Rate of accurate alarm: ¡Ý99%
5) Rate of wrong alarm: ¡Ü1%  
6) Frequency: 50/60 Hz
7) Shoot Frequency: 1040Hz
8) Voltage: (110-220) ±10%
9) Service temperature: (-10ºC - +40ºC)
10) Running time: 180 hours
11) Reliability: 50, 000 hours (more than 10 years of normal use)
12) The width of the single path:
A) JN2002: 700mm; B) JN3002: 850mm; C) JN4002: 1, 000mm
13) Power waste: (5-15) W
14) Methods of alarm: Audio and (weak) video