HESST30011 Socket tester

VDE plug, LCD display
Voltage range: AC 90~250v
Frequency:45~65Hz
Leakage voltage:AC 0~90v
RCD test:＞30mA
Seven testing situations feedback
Backlight
Correct connection
Open ground
Open neutral
Open live
Live wire and ground wire reverse
Live wire and neutral wire reverse
Live wire and ground wire reverse,missing ground wire
Packed by double blister