Key Specifications/Special Features:
Test range is between 1 × 104 to 1999 ×104 ions/cc
Resolution:1 × 104 ions/cc
Display concentration of positive and negative air ion
Check Ion Generator
LCD Display: Max reading of 1999.
Test the textile or cloth,judge the ion's polarity and concentration
Attention:don't touch the rear square metal of the tester when testing
Supplied by LR44 button size battery
Dimensions:78mm(L) x 27mm(W) x 9mm(H) .