Indicates a potentially hazardous situation, which 
if not avoided, could result in equipment damage, 
data  loss,  performance  degradation,  or 
unexpected results. 
Safety Instructions 
  Please  adopt  the  power  adapter  which  can  meet  the  safety  extra  low  voltage 
(SELV)  standard.  And  source  with  12  VDC  according  to  the  IEC60950-1  and 
Limited Power Source standard. 
  To reduce the risk of fire or electrical shock, do not expose this product to rain or 
moisture. 
  This installation should be made by a qualified service person and should conform 
to all the local codes. 
  Please install blackouts equipment into  the power supply circuit for  convenient 
supply interruption.   
  Please make sure that the ceiling can support more than 50(N) Newton gravities if 
the camera is fixed to the ceiling. 
  If the product does not work properly, please contact your dealer or the nearest 
service center. Never attempt to disassemble the camera yourself. (We shall not 
assume  any  responsibility  for  problems  caused  by  unauthorized  repair  or 
maintenance.) 
Preventive and Cautionary Tips 
  Make sure the power supply voltage is correct before using the camera. 
  Do not drop the camera or subject it to physical shock. 
  Do not touch sensor modules with fingers. If cleaning is necessary, use a clean 
cloth with a bit of ethanol and wipe it gently. If the camera will not be used for an 
extended period of time, put on the lens cap to protect the sensor from dirt.   
  Do not aim the camera lens at the strong light such as sun or incandescent lamp. 
The strong light can cause fatal damage to the camera. 
  The sensor may be burned out by a laser beam, so when any laser equipment is 
being used, make sure that the surface of the sensor not be exposed to the laser