Features :

•Quickly checks the performance of Megohmmeters (Insulation Testers)

•13 step resistance decade box from 1 to 500M

•Input voltage to 1000V

•Use on multimeters and other resistance measuring meters

•Dimensions: 5.875 x 2.875" (7 x 15cm)

•Weight: 5.8oz (164.4)