Specifications Type Circuit Breaker Finder and Fuse Socket TesterMaterial High quality PlasticColor GreenDimensions LWH 198 x 40 x 50mmPlug Options EU USVoltage for EU Plug 220VVoltage for US Plug 110VOperating Voltage AC220V 50HzOperating Temperature Range 0℃ 50℃Security Rating IEC1010 1 CATII 600VBattery Requires 1 x 9V Battery not included Features 1 Quick Circuit IdentificationLocates the correct breaker or fuse in seconds enabling fast electrical troubleshooting for homes offices or industrial projects 2 Multi Purpose Socket TestingEfficiently diagnoses circuit socket conditions and ensures proper installation of electrical components 3 Integrated Flashlight FunctionEquipped with a flashlight that provides enhanced visibility for use in dimly lit spaces 4 User Friendly AlertsFeatures LED indicators and audible buzzers to simplify operation along with a built in low battery warning system for proactive battery replacement 5 Enhanced Safety DesignComplies with IEC1010 1 CATII 600V security standards and offers additional guidance for safe usage during circuit breaker operations Package Included 1 x MS5902 T Circuit Breaker Finder Transmitter1 x MS5902 R Receiver