Outlet Tester 90-120V 50-60Hz Smart Receptacle Tester with Voltage and Frequency Display GFCI Tester Socket Automatic Electric Circuit Polarity Voltage Detector Wall Plug Breaker Finder

The smart socket tester is mainly used for polarity detection of power socket wiring and safety detection of leakage switch. The voltage and frequency of the socket can be detected and checking if the wiring is correct or not, the tested result will display on the LCD screen clearly. Specifications: Material: Flame retardant ABS Measuring Voltage Range: 90~120V Whole Machine Working Current: <3mA (not in RCD status) Measuring Voltage Accuracy: ±(2%+5) Working Temperature: 0~40? Working Humidity: 20%~75%RH Storage Temperature: -10~50? Storage Humidity: 20%~80%RH Altitude: <2000 meters RCD Current: >30mA Package Weight: 100g / 3.53oz Package Size: 7.5 * 7.5 * 6.5cm / 2.95 * 2.95 * 2.56in Packing List: 1 * Socket Tester 1 * Manual