Xin Tester 90-120V Digital AC Circuit Breaker Finder Socket Tester GFCI outlet receptacle Diagnostic with LED Indicator Please Note: This Circuit Breaker Finder work voltage is 90V-110V, if your country voltage is 220-240V,please don't buy it! XinTesterXT33ACircuitBreakerFinderwithIntegratedGFCIOutletTesterisadigitalcircuitbreakerfinderusedtolocatethecorrectcircuitbreaker inapaneltowhichanelectricaloutletorfixtureisconnected.TheTransmitterisconnectedtotheelectricaloutletorfixtureinthe circuitwhilethereceiverisusedtoscanthebreakersinthecircuitpanel.TheTransmitteralsofeaturesaGFCIoutlettester. Features: Find circuit breaker or circuit fuse quickly and accurately. Sensitivity can be adjusted through the ON/OFF switch. The operator can determine the status of circuit connection according to the 3 LEDs. Support GFCI test on socket. The receiver is powered by a 9V battery(not included). The transmitter works on 110-125V. Adjustable Sensitivity: Beeper Indication: Flashing LED light Indication: Low Battery Indication: Operating Voltage: 90~120V AC Working Frequency: 47~63Hz GFCI Test: About 6mA Receiverweight:130g Transimitterweight:80g Receiversize:192*54*28mm Transimittersize:103*56*30mm Packing List: 1xReceiver 1xTransimitter 1xEnglishManual 1xEVAtoolcase (Depend on your choice)