Feature: 1. [Multifunctional] Used for missing neutral wire test, missing live wire measurement, missing ground wire measurement, live ground wire reversed, neutral live wire reversed, phase to ground wrong parallel connection. 2. [Safe To Use] Just plug it in and use it, socket safety tester can detect the leakage with one key, and has electric switch protection detection. 3. [Digital Display Voltage] Digital display voltage, can display the current voltage in real time, which is easy to operate, so you can use it with confidence. 4. [Durable Material] Socket detector is made of high quality ABS material, which is safe, durable, wear resistant, and can be used for a long time. 5. [Widely Application] Leakage socket tester has strong practicability and is widely used in many situations, such as living room, bedroom, office, etc. Specification: Item Type: Socket Safety Tester Model: ZT-E2 Plug: EU plug 0.1V~250V Material: ABS Application: Missing neutral wire test, missing live wire measurement, missing ground wire measurement, live ground wire reversed, neutral live wire reversed, phase to ground wrong parallel connection Working Voltage: 2.6~3.3V Voltage Range: 0.1V~250V/40~1kHz Working Temperature: 0℃~40℃ Working Humidity: 20%~75%RH Storage Temperature: -10℃~50℃ Storage Humidity: 20%~80%RH RCD Current: >30mA RCD Working Voltage: 220V±20V. Package List: 1 x Socket Tester1 x Manual