UV tester, UV monitor

Key instruction:
   1.POWER: UV & Temperature display;
   2.MSET/SSET/START: up counter or down counter; 
Operation:
   1.LCD displays timer in normal state;
   2.Press "POWER",LCD displays Timer,Temperature and UV Index automatically;Measure
      UV Index grading as 0-8 leveles;Temperature measurement in the range of "-9.90C-67.90C";
   3.Press POWER to switch Centigrade/Fahrenheit;
   4.Up counter setting: 
      Press "SSET" & "MSET",LCD displays"00:00",then press "START" begin up
          counting;
      Press "START" to stop up counting;
   5.Down counter setting:
      Press "SSET" & "MSET",LCD displays"00:00",press "MSET" to set minute and
           press "SSET" to set second;then press "START" to begin down counting;        
      Press "START" to stop down counting;
      When the set time arrives,LCD will display "00:00" and the buzzer will sound
           "DI,DI" for 1 minute(you can press "START" to stop it);After that the timer will
           return to the first set time and you can press "START" to counter again or re-operate
           to make new setting;
   6.Exchange new 1.5V battery once LCD displays numbers pale;