It is a professional 3 wires and GFCI outlet tester; It is a quick and easy tool to use to make sure that an outlet or GFCI is safe for use
● Product Size : 82mm×42mm×32mm/3.2"×1.65"×1.26"
● Product Weight : 45g/0.1lb
● Certification : ETL / RoHS
● Safety Rating : CAT II 125V
● User's manual