Phase Sequence Tester CAT Safety Rating CAT IV 600V Display Screen Type No Display Display Type No Display For Voltage Range 75 to 1 000V AC Includes Pouch Case (3) Built-In 30 in Test Leads with Large Color-Coded Alligator Clips Maximum Frequency 65 Hz Minimum Frequency 45 Hz Testing Functions Phase Rotation Alert Type Light Sound Battery Size AA Circuit Connection Type Non-Contact