The circuit analyzer is a special test device designed for AC low-voltage distribution line quick fault location. With simple operation, accurate measurement and other features, it can detect multiple problems on a line, such as causing to electric shock, electrical fire, abnormal operation of equipment, etc. Specifications: Line Voltage: 85.0~265.0V: 0.1V (1.0% 43;0.2V) Peak voltage: 121.0~374.0V: 0.1V (1.0% 43;0.2V) Frequency: 45.0~65.0Hz: 0.1Hz (1.0% 43;0.2Hz) Voltage Drop: 0.1%~99.9%: 0.1% (2.5% 43;0.2%) Voltage Loaded: 10.0~265.0V: 0.1V (2.5% 43;0.2V) Voltage to Earth of Zero Line: 0.0~10.0V: 0.1V (2.5% 43;0.2%) Impedance for Live Line, Zero Line and Earth Line: 0.00~3.00: 0.01 (2.5% 43;0.02) RCD Triggering Time: 1ms~6.500s: 1ms (1.0% 43;2ms) RCD Triggering Current: 30mA~37mA: 0.1mA (1.0% 43;0.2mA) GFCI Triggering Timer: 1ms~6.500s: 1ms (1.0% 43;2ms) GFCI Triggering Current: 6mA~9mA: 0.1mA (1.0% 43;0.2mA) Plug Type: EU / US (Optional) Display: LCD Overload: 34;OL 34; or 34; gt; 34; Auto Power-off: 30 minutes Humidity: lt;80%RH (0~50) Storage Temperature: 0~50, lt;80%RH Power Supply: 6 * 1.5V AAA battery (NOT included) Item Size: 194 * 78 * 37mm / 7.64 * 3.07 * 1.46in Item Weight: 260g / 9.17oz Package Weight: 600g / 21.16oz Package Size: 26.2 * 14.5 * 6cm / 10.31 * 5.71 * 2.36in Packing List: 1 * Voltage Circuit Analyzer 1 * Power Cord 1 * Storage Pouch 1 * Manual(English)