Comprehensive Safety Testing: the safety of your electrical system with the AC11 Socket Tester. Designed for both professional and home use, this tester accurately detects line, plug polarity, and phase issues. Its compact design and easy-to-read digital display an essential tool for maintaining electrical safety. Smart Features: The device includes intelligent detection capabilities that provide clear diagnostics to prevent electrical failures and enhance user safety. Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on Voltage:AC220V Color: Black Material: plastic Package Contents: 1 * Digital socket tester Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.