QUESTION

• ? 4.What is the validity period of Riaval 700?
  ANSWER

  Riaval 700 has a validity period for one year, when the operation in proper.

  
  
  
• ? 5.How to test Riaval 700 working properly?
  ANSWER

             Press the test key to active the alarm signal for 10 seconds monthly, if none, please check the battery
  or replacement.