Voltage Testers UT-15B

Power is 1.5V Battery (AAA) x 2
Single lead (L2) voltage detection , it is intended only as a quick check; 100V to 690V; 50Hz to 400Hz
Dimensions (H × W × D), mm 275 × 51 × 30
AC/DC voltage measurements
Continuity test
Phase rotation test
Single lead (L2) voltage detection
Short circuit detection
Autoranging
Low battery indication
Positive and negative polarity detection
Torch