Xin Tester Digital AC Circuit Breaker Finder+GFCI Outlet Receptacle Detector US Electrical Socket Tester Locator 90-120V XT-33A 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: Model:XT-33A Operating Voltage: 90~120V AC Working Frequency: 47~63Hz GFCI Test: About 6mA Contact Indicator: Open Ground Open Neutral Open Hot Hot/NEU Reverse Hot/GND Reverse GFCI Testing In Progre Hot On NEU With Hot Open Correct General Characteristic: Power:9V Battery(6F22) (Not included) Product Color:Red and Grey Product Net Weight:Transmitter-110g,Receiver-110g Product Size: Transmitter-103mm56mm30mm Receiver-192mm54mm28mm Standard Inp>