Check the listing for details. Mastech MS5908C RMS Circuit Analyzer Tester 220V RCD GFCI Socket Tester. Condition: New. Listed at 71.24 USD. Features: TRMS measuring AC Voltage Artificial load 5A,8A,10A measuring line drop Measuring phase voltage,neutral line(zero line), voltage to earth,peak voltage,frequency Measuring phase(live line),neutral line(zero line),earth line conductor impedence Identifying 3-wire socket connection mode(zero for left and live for right,having earth line or not) Test the realibility of residual current device(RCD) and response actyion time Test the reliability of GFCI action and response action time Baclklight function and data hold function Specifications: Line Voltage: 85.0~265.0V: 0.1V ±(1.0%+0.2V) Peak voltage: 121.0~374.0: 0.1V ±(1.0%+0.2V) Frequency: 45.0~65.0Hz: 0.1Hz ±(1.0%+0.2Hz) Voltage Drop: 0.1%~99.9%: 0.1% ±(2.5%+0.2%) Voltage Loaded: 10.0~265.0V: 0.1V ±(2.5%+0.2V) Voltage to earth of zero line:0.0~10.0V: 0.1V ±(2.5%+0.2%) Impedance for live line,zero line and earth line: 0.00~3.00Ω: 0.01Ω ±(2.5%+0.02Ω) RCD Triggering Time: 1ms~6.500s: 1ms ±(1.0%+2ms) RCD Triggering Current: 30mA~37mA: 0.1mA ±(1.0%+0.2mA) GFCI Triggering timer: 1ms~6.500s: 1ms ±(1.0%+2ms) GFCI Triggering Current: 6mA~9mA: 0.1mA ±(1.0%+0.2mA) General Characteristics: Power Supply: 1.5AAA * 6 (not included) Package Size: 25.3 * 14 * 5.5cm / 10 * 5.5 * 2.2in Package Weight: 652g / 1.4lb NOTE: The input voltage is 220V, Package List: 1 * MASTECH MS5908C TRMS AC Voltag Circuit Analyzer 1 * Socket (EU plug) 1 * English Manual 1 * Carrying Box