Ruoshui Outlet Tester GFCI 48-250V Receptacle Tester Standard US CAT II 300V Electrical Socket Tester with 7 Visual Indications for Home Professional Use

About Ruoshui Socket Tester Socket Tester is mainly used for power socket wiring detection and RCD test. It can detect the wiring status of the socket quickly and accurately. With LCD can also measure the voltage of the socket and display it. Features: ?Hi-Impact Resistant ABS housing with a compact ergonomic design. ?Bright color-coded neon lights for easy visual indication. Technical Specifications: Operating Voltage: 48~250V/45~65Hz Measure voltage (with LCD): 48~250V/45~65Hz, Accuracy?± (2.0%+2) Operating temperature: 0°C~40°C Operating Humidity: 20%~75%RH Storage Temperature: -10°C~50°C Storage Humidity: 20%~80%RH Altitude: ?2000m RCD Test: >30mA RCD Working Voltage: 220V±20V GFCI Test: >5mA GFCI Working Voltage: 110V±20V Note: RCD and GFCI functions do not coexist.