♦Designed to international safety standard IEC 1010-1 CAT II 600V
♦Test 100V or 230V sockets in one easy step
♦Reliable and easy to use
♦Clear LEDs indicate a range of wiring condiitions including:correct,missing earth,live/earth reverse,live/ neutral reverse,missing neutral.
♦Extra specific models for different countries plug system


Source: https://www.meterstesters.com/products/circuit-testers/socket-testers-ms6860.html