Ruoshui Outlet Tester 48-250V, GFCI Tester CAT II 300V, Receptacle Tester with Voltage Display, Standard US Electrical Socket Tester with 7 Visual Indications for Home & Professional Use
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?????Ruoshui's Confidence?- At Ruoshui, we use only the highest-grade materials, so we do have the confidence to provide industry-leading 2 years warranty and after-sales service. ?????Perfect Outlet Tester?- Provide daily measurement functions, capable of detecting the open wiring fault with open ground, open hot, open neutral, reverse polarity, hot/neutral reversed wires. ?????Design with GFCI Test Button?- Power outlet socket for correct wiring and GFCI trip function. It can test the protection system to ensure the household electrical safety. Note: It may cause house wiring trip when on normal receptacles. ?????Easy Access Testing Results and Data?- 7 LED Light Patterns that easy to judge. An easy to understand chart on the tester helps determine wiring condition in outlet, based on LED lights results. ?????Voltage Display?- Ruoshui outlet tester with LED display helps you to measure the socket voltage and display it clearly in the LCD screen even in dark conditions.