There are two products:
<br />1, AC220V China standard plug, the panel of Chinese identity. (Can provide instructions in English)
<br />2, AC110 American Standard plugs, panel English identity.
<br />(Please correct choice and tell me)
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<br />The instrument has two parts: MS5902R + MS5902T
<br />Where they can work alone test socket 5902T security instrument which is very easy to use, suitable for household electrical wiring tenement hidden primary investigation. For example, each socket connector is grounded, FireWire zero line pair yet? Not reversed? A lot of leakage switch on the power strip, a short circuit switch, but added that control what the root line, the line where to go?
<br />This product is suitable for home, office, factory power grids, installation and acceptance of the project.
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<br />IMPORTANT:
<br />1. Please read the instructions carefully before use.
<br />2, due to the presence of directional MS5902R probe, during the breaker to find, see Using the method described in the picture.
<br />3, MS5902TA need to use at 220V / 50Hz(S5902TB need to use at 110V / 60Hz)case circuit connected to the mains.
<br />4, MS5902T and MS5902R necessary use.
<br />5, when the yellow LED lights, please change the batteries.   
<br />6,Keep clean with a dry cloth.
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<br />FEATURES:
<br />1, the circuit breaker search function automatically adjusts the sensitivity to the target quickly and accurately find the circuit breaker;
<br />2, the socket function to test the tripod socket is connected correctly:
<br />     open ground
<br />     ground and FireWire reverse
<br />     zero line and FireWire reverse
<br />    correct zero line open
<br />3, beep alarm and lighting tips
<br />4, flashlight function
<br />5, low battery warning
<br />6, the security level IEC1010-1 CATII 600V (only MS5902-T)