Mastech MS8922B Voltage Tester With RCD

FEATURES
● RCD Test function
● Operation Time Maximum 30s
● Recovery Time 10 minutes
● Operation Temperature  -10~55℃/14~131℉
● Relative Humidity <80%RH
● Altitude <2000m
● Product Size : 223mmx40mmx32 mm/8.78″x1.57″x1.26″
● Product Weight : 98.5g/0.26lb
● Power Supply : N/A
● Certificate : CE / ETL / RoHS
● Safety Rating : CAT III 400V