Product Features& 65306;   1 .The combination of touch color screen, button and wave band knob, the function perfect can be directly tested with one button,the operation of inquiry record is simple and convenient.  2 .Rich display content which can display on same screen : various test modes and insulation resistance value, output voltage and the voltage of tested object, leakage current, test timing, test time, battery power, operation help, etc.  3 .Double shell structure, firm and durable, protection level IP65.  4 .Large capacity rechargeable lithium battery.  5 .Voltage monitor function, automatically monitor live voltage of the tested object.  6 .Test timer function, automatically record test time.  7 .Automatic discharge function, Instantaneous release the charging charge of the measured object after the test, no need to add the discharge circuit.  8.Store function, automatically store 1000 groups of real-time test data with test date, time and timing.  9 .Upload function, the recorded data can be uploaded to the computer by USB communication cable for data statistical analysis.            Product Specifications& 65306;                                             Power Supply                                 Rechargeable lithium battery pack 6.