1、 and high quality 2、The product is a socket detector, used for socket connection status test, RCD leakage switch test, GFCI test US gauge 3、Easy to operate, quickly check the safety of the socket connection 4、Exquisite isional design, test result display lights, double layer insulation protection, reference for test results, elecical leak-proof test button 5、Applied in elecical maintenance testing,office elecicity safety testing,home improvement elecical safety testing ,test wall sockets Features: and high quality The product is a socket detector, used for socket connection status test, RCD leakage switch test, GFCI test US gauge Easy to operate, quickly check the safety of the socket connection Exquisite isional design, test result display lights, double layer insulation protection, reference for test results, elecical leak-proof test button Applied in elecical maintenance testing,office elecicity safety testing,home improvement elecical safety testing ,test wall sockets Specifications: Brand: Bside Plug Standard: EU Plug Rated voltage Un= 220-250V AC 50-60HZ EU Plug Rated residual operating current: 5mA data-spm-anchor-2114.10010108.1000023.i4.5fdc725a3dOuHF Earth resistance: Earth resistance meet the standard data-spm-anchor-2114.10010108.1000023.i3.5fdc725a3dOuHF Size: 58*53*53mm/2.28*2.09*2.09in Weight: 61g Package Includes: 1 x Bside AST01ER Outlet Tester 1 x English User Manual Notes: Socket tester display Correct means the pole is connected correctly, but does not means resistance value is passed designation standard. Only passing Creeping Switch Test, it can finally obtain the earth resistance value to test whether the Protection System works well or not. To ensure your safety, don't make the insert out of shape to affect the test result