Phase and Motor Rotation Tester, CAT Safety Rating CAT IV 600V, Display Screen Type LED, Display Type Digital, For Voltage Range 70 to 1,000V AC, Includes Carrying Bag, Test Leads with Large Color-Coded Alligator Clips, Maximum Frequency 66 Hz, Minimum Frequency 45 Hz, Testing Functions Motor and Phase Rotation Tester, Alert Type Digital Display, Battery Size 9V, Circuit Connection Type Non-Contact